Pith Number

pith:EATFGIRP

pith:2013:EATFGIRPA2HWZFB2D2LAOLNUFM

not attested not anchored not stored refs pending

Encoding certainty in bump attractors

Kresimir Josic, Sam Carroll, Zachary P Kilpatrick

arxiv:1308.5050 v1 · 2013-08-23 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EATFGIRPA2HWZFB2D2LAOLNUFM}

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	2026-05-18T03:15:17.466784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

202653222f068f6c943a1e96072db42b06d26824734045e9cfd0405a6513740b

Aliases

arxiv: 1308.5050 · arxiv_version: 1308.5050v1 · doi: 10.48550/arxiv.1308.5050 · pith_short_12: EATFGIRPA2HW · pith_short_16: EATFGIRPA2HWZFB2 · pith_short_8: EATFGIRP

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/EATFGIRPA2HWZFB2D2LAOLNUFM \
  | 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: 202653222f068f6c943a1e96072db42b06d26824734045e9cfd0405a6513740b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd039fa9b280ca6e24a57d06106bfb69a607f50c087a6f5896a82b50f71ce32e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2013-08-23T05:20:22Z",
    "title_canon_sha256": "b6cc873a6233e4e23911b5bd93200e32b911c4b1f33ed19bef03322319b16258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5050",
    "kind": "arxiv",
    "version": 1
  }
}