Pith Number

pith:37QCQ4FG

pith:2022:37QCQ4FGX7ABWBQA4LHCVCLWMK

not attested not anchored not stored refs pending

ProtoFold Neighborhood Inspector

Anna Vilanova, Klaus Hildebrandt, Nicolas F. Chaves-de-Plaza

arxiv:2210.09308 v1 · 2022-10-17 · q-bio.QM · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37QCQ4FGX7ABWBQA4LHCVCLWMK}

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	2026-07-05T05:07:23.276101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfe02870a6bfc01b0600e2ce2a897662ab542b84ab52f7caeee40549fa1ecc66

Aliases

arxiv: 2210.09308 · arxiv_version: 2210.09308v1 · doi: 10.48550/arxiv.2210.09308 · pith_short_12: 37QCQ4FGX7AB · pith_short_16: 37QCQ4FGX7ABWBQA · pith_short_8: 37QCQ4FG

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/37QCQ4FGX7ABWBQA4LHCVCLWMK \
  | 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: dfe02870a6bfc01b0600e2ce2a897662ab542b84ab52f7caeee40549fa1ecc66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56ff840b0938037f07c481139d8b9d03dc1ddcdf092414aa52a0ae64f8f7128c",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2022-10-17T09:23:24Z",
    "title_canon_sha256": "affb07a46e842eeb96f22fbc25b48398c42984081ff01d6f184f8a828c4ee30a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.09308",
    "kind": "arxiv",
    "version": 1
  }
}