Pith Number

pith:PM7CTK3M

pith:2013:PM7CTK3MIJYKWZ3VBRM324WODA

not attested not anchored not stored refs pending

Photo-active collagen systems with controlled triple helix architecture

David J. Wood, Giuseppe Tronci, Stephen J. Russell

arxiv:1306.3799 v2 · 2013-06-17 · physics.chem-ph · physics.bio-ph · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PM7CTK3MIJYKWZ3VBRM324WODA}

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	2026-05-18T03:20:20.122740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b3e29ab6c4270ab67750c59bd72ce180d48d079e5677cbbec431cbdcb765040

Aliases

arxiv: 1306.3799 · arxiv_version: 1306.3799v2 · doi: 10.48550/arxiv.1306.3799 · pith_short_12: PM7CTK3MIJYK · pith_short_16: PM7CTK3MIJYKWZ3V · pith_short_8: PM7CTK3M

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/PM7CTK3MIJYKWZ3VBRM324WODA \
  | 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: 7b3e29ab6c4270ab67750c59bd72ce180d48d079e5677cbbec431cbdcb765040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b40601a8c110675bf6607e73b5cd3f4868cf2049abef536228a832563099761",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2013-06-17T10:21:00Z",
    "title_canon_sha256": "a93207147096051dacfc46e5a8e3d82ca6dd6b7ed1ada21e3e151a5205964fc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3799",
    "kind": "arxiv",
    "version": 2
  }
}