Pith Number

pith:Y6DMVE6Z

pith:2013:Y6DMVE6ZY7SIQATEDGFM7Z2IYD

not attested not anchored not stored refs pending

Triple-helical collagen hydrogels via covalent aromatic functionalization with 1,3-Phenylenediacetic acid

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

arxiv:1308.5316 v1 · 2013-08-24 · 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{Y6DMVE6ZY7SIQATEDGFM7Z2IYD}

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	2026-05-18T03:15:05.236176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c786ca93d9c7e4880264198acfe748c0c5381d62977f00d9ddfc212a31832a90

Aliases

arxiv: 1308.5316 · arxiv_version: 1308.5316v1 · doi: 10.48550/arxiv.1308.5316 · pith_short_12: Y6DMVE6ZY7SI · pith_short_16: Y6DMVE6ZY7SIQATE · pith_short_8: Y6DMVE6Z

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/Y6DMVE6ZY7SIQATEDGFM7Z2IYD \
  | 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: c786ca93d9c7e4880264198acfe748c0c5381d62977f00d9ddfc212a31832a90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d06bef265b4d09fa26d2ee686490440bc321e69ab28b8c317a4466f75e41c0a",
    "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": "2013-08-24T11:18:21Z",
    "title_canon_sha256": "c0eef7a9197dc34f94baea34dbb023fed1eb114631cf5a553da2fc68cc6fe324"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5316",
    "kind": "arxiv",
    "version": 1
  }
}