Table 1. Fields in the Research-Tomogram record.

			Description
floAddress*			cryptographic key of publisher
info	title*		descriptive title of dataset (chosen at acquisition)
	description		notes about publication process of the record
	tags		searchable tags, e.g. "tomogram," "etdb," "jensen.lab"
details	date*		acquisition date
	NCBItaxID		NCBI taxonomy identifier
	artNotes		notes about the dataset
	scopeName		acquisition microscope, e.g. "Caltech Polara"
	speciesName*		species of cell imaged
	strain		information about the specimen strain
	tiltSingleDual		single-axis or dual-axis tilt acquisition scheme
	defocus		imaging defocus (μm)
	dosage		imaging electron dosage (e/Å2)
	tiltConstant		1: if constant angular increment; 0: if other method
	tiltMin		minimum of acquisition tilt range (degrees)
	tiltMax		maximum of acquisition tilt range (degrees)
	tiltStep		tilt increment (degrees)
	swAquisition		software used for acquisition
	swReconstruction		software used for reconstruction
	magnification		acquisition magnification (X)
	emdb		EMDB code if record is also available on EMDB
	microscopist		scientist who acquired tilt-series
	institution		e.g. "Caltech"
	lab		e.g. "Jensen Lab"
	sid		internal database identifier (laboratory specific)
storage	network*		e.g. "IPFS"
	files**	fname*	file name
		dname	name to be displayed in interface
		fsize	file size (bytes)
		type	e.g. "Tomogram" or "Image"
		subtype	e.g. "Tiltseries" or "Reconstruction"
		ctype	content type, e.g. "image/jpeg" or "video/mp4"
	location*		hash of file locations for retrieval
payment			payment information (N/A for this blockchain use)
timestamp*			time of publication to blockchain
type*			"Research"
subtype			"Tomogram"

* mandatory field

**stores the indicated information for each file associated with the dataset