Pith Number

pith:YTBQZITJ

pith:2009:YTBQZITJZC6JRIHXJRXFBUF4BY

not attested not anchored not stored refs pending

Mechanics of Reversible Unzipping

D. Percivale, F. Maddalena, G. Puglisi, L. Truskinovsky

arxiv:0906.1477 v1 · 2009-06-08 · q-bio.OT · 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{YTBQZITJZC6JRIHXJRXFBUF4BY}

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	2026-05-18T02:13:21.642376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4c30ca269c8bc98a0f74c6e50d0bc0e324c36c834da2e7a366fbda0b2106764

Aliases

arxiv: 0906.1477 · arxiv_version: 0906.1477v1 · doi: 10.48550/arxiv.0906.1477 · pith_short_12: YTBQZITJZC6J · pith_short_16: YTBQZITJZC6JRIHX · pith_short_8: YTBQZITJ

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/YTBQZITJZC6JRIHXJRXFBUF4BY \
  | 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: c4c30ca269c8bc98a0f74c6e50d0bc0e324c36c834da2e7a366fbda0b2106764

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "328ea60abdac7183f76ff9b5af4df3035f1f713155b87a61e3edd6b03a4f111f",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.OT",
    "submitted_at": "2009-06-08T12:19:29Z",
    "title_canon_sha256": "ec97529fea14e0d9cbc01cf3667c3015ec86e30fd36b8662e2ba2f3df0f87abc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1477",
    "kind": "arxiv",
    "version": 1
  }
}