Pith Number

pith:TDME3ZWD

pith:2019:TDME3ZWDIB5FMH5VOM3NZNSAHV

not attested not anchored not stored refs pending

Systems biology approach to the origin of the tetrapod limb

Koh Onimaru, Luciano Marcon

arxiv:1907.02730 v1 · 2019-07-05 · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDME3ZWDIB5FMH5VOM3NZNSAHV}

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	2026-05-17T23:41:23.361997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98d84de6c3407a561fb57336dcb6403d6b10a6b4e0e6223f8733ab14dade1167

Aliases

arxiv: 1907.02730 · arxiv_version: 1907.02730v1 · doi: 10.48550/arxiv.1907.02730 · pith_short_12: TDME3ZWDIB5F · pith_short_16: TDME3ZWDIB5FMH5V · pith_short_8: TDME3ZWD

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/TDME3ZWDIB5FMH5VOM3NZNSAHV \
  | 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: 98d84de6c3407a561fb57336dcb6403d6b10a6b4e0e6223f8733ab14dade1167

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f0316cdf3029bd6efd0615ea003be8068c0e7cf7c1cfb865abac5302ff53c9e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2019-07-05T09:03:15Z",
    "title_canon_sha256": "34b036c56ab5afb8cd49ed757fac78d4f806ea9c124a091a9723aae15a9fcd3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02730",
    "kind": "arxiv",
    "version": 1
  }
}