Pith Number

pith:GFBOENP5

pith:2019:GFBOENP5FK6MEOW33VEJWAGPGJ

not attested not anchored not stored refs pending

MediChainTM: A Secure Decentralized Medical Data Asset Management System

Adam D. Simmons, Darryl G. Humphery, Luke Butterworth, Ralph Deters, Sara Rouhani

arxiv:1901.10645 v1 · 2019-01-30 · cs.DC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFBOENP5FK6MEOW33VEJWAGPGJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:55:06.406261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3142e235fd2abcc23adbdd489b00cf327dbee72d524f1559a99848f1acfa45d5

Aliases

arxiv: 1901.10645 · arxiv_version: 1901.10645v1 · doi: 10.48550/arxiv.1901.10645 · pith_short_12: GFBOENP5FK6M · pith_short_16: GFBOENP5FK6MEOW3 · pith_short_8: GFBOENP5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GFBOENP5FK6MEOW33VEJWAGPGJ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3142e235fd2abcc23adbdd489b00cf327dbee72d524f1559a99848f1acfa45d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dec0c0179635d3e1bee1d0b239b50fd29c1784a2efb7ddbc21925324df0b0eb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-01-30T02:22:07Z",
    "title_canon_sha256": "c0538f1c826dbdd62ebd55425cb84672f88be4ab6b98f3fc95333cb98b5409eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10645",
    "kind": "arxiv",
    "version": 1
  }
}