Pith Number

pith:NULNSF75

pith:2014:NULNSF75MC2ADSQSC7PSKQNHSJ

not attested not anchored not stored refs pending

Onset of autocatalysis of information-coding polymers

Alexei V. Tkachenko, Sergei Maslov

arxiv:1405.2888 v4 · 2014-05-12 · cond-mat.soft · cond-mat.mes-hall · cond-mat.stat-mech · q-bio.BM · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NULNSF75MC2ADSQSC7PSKQNHSJ}

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	2026-05-18T01:36:57.062760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d16d917fd60b401ca1217df2541a79249fa0c7dc2a2de65069819514ec1aed3

Aliases

arxiv: 1405.2888 · arxiv_version: 1405.2888v4 · doi: 10.48550/arxiv.1405.2888 · pith_short_12: NULNSF75MC2A · pith_short_16: NULNSF75MC2ADSQS · pith_short_8: NULNSF75

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/NULNSF75MC2ADSQSC7PSKQNHSJ \
  | 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: 6d16d917fd60b401ca1217df2541a79249fa0c7dc2a2de65069819514ec1aed3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c64cc073ea268155ee3544b97a0a19bd50c5d75927e9676c55b642dae42b6b",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.stat-mech",
      "q-bio.BM",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2014-05-12T19:29:03Z",
    "title_canon_sha256": "cfbec0abd8d8fcfee63dcc5e60654ea46d5eb19ba9cd91911221b7174af23f31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2888",
    "kind": "arxiv",
    "version": 4
  }
}