Pith Number

pith:Z4LKCIWA

pith:2009:Z4LKCIWAF5XTFPRNIFXUNIX22R

not attested not anchored not stored refs pending

Thermodynamic Origin of Life

K. Michaelian

arxiv:0907.0042 v3 · 2009-07-01 · physics.gen-ph · physics.ao-ph · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4LKCIWAF5XTFPRNIFXUNIX22R}

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	2026-05-18T02:57:36.301840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf16a122c02f6f32be2d416f46a2fad47b948b4f57b5633f858b56ec08179f41

Aliases

arxiv: 0907.0042 · arxiv_version: 0907.0042v3 · doi: 10.48550/arxiv.0907.0042 · pith_short_12: Z4LKCIWAF5XT · pith_short_16: Z4LKCIWAF5XTFPRN · pith_short_8: Z4LKCIWA

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/Z4LKCIWAF5XTFPRNIFXUNIX22R \
  | 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: cf16a122c02f6f32be2d416f46a2fad47b948b4f57b5633f858b56ec08179f41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23b4c02446b325e11a9e34e5b590504c20c3cb08e564169bb2b34031935c77cb",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "q-bio.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2009-07-01T00:06:21Z",
    "title_canon_sha256": "c3495cd645f0ab88da64367664fe492f035fa471903d0aad79bcc53b20e2afbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0042",
    "kind": "arxiv",
    "version": 3
  }
}