Pith Number

pith:PL4VLRBH

pith:2015:PL4VLRBH2KIGAAWKR7YC7QOL5L

not attested not anchored not stored refs pending

Self-sustaining autocatalytic networks within open-ended reaction systems

Mike Steel

arxiv:1501.05731 v1 · 2015-01-23 · q-bio.MN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PL4VLRBH2KIGAAWKR7YC7QOL5L}

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	2026-05-18T02:28:49.125862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7af955c427d2906002ca8ff02fc1cbeaf005920a06e7da2b58e85c9842c5fc3f

Aliases

arxiv: 1501.05731 · arxiv_version: 1501.05731v1 · doi: 10.48550/arxiv.1501.05731 · pith_short_12: PL4VLRBH2KIG · pith_short_16: PL4VLRBH2KIGAAWK · pith_short_8: PL4VLRBH

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/PL4VLRBH2KIGAAWKR7YC7QOL5L \
  | 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: 7af955c427d2906002ca8ff02fc1cbeaf005920a06e7da2b58e85c9842c5fc3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35f2ddef11d82404e1b32906c7eba33af634bac60f5baec20adb17ba4e303b88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2015-01-23T07:53:43Z",
    "title_canon_sha256": "a0fc5fbdcda58862e7a1da7e8dcd8eaadff71831d6dc5a773007db34f72878f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05731",
    "kind": "arxiv",
    "version": 1
  }
}