Pith Number

pith:ADN6RS2A

pith:2018:ADN6RS2AMBKHAJPW4PLFV4OH5D

not attested not anchored not stored refs pending

Disequilibrium biosignatures over Earth history and implications for detecting exoplanet life

David C. Catling, Joshua Krissansen-Totton, Stephanie Olson

arxiv:1801.08211 v1 · 2018-01-24 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ADN6RS2AMBKHAJPW4PLFV4OH5D}

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	2026-05-18T00:25:06.828604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00dbe8cb4060547025f6e3d65af1c7e8e8f94953e0b0239b7f8bb70d08b9ceae

Aliases

arxiv: 1801.08211 · arxiv_version: 1801.08211v1 · doi: 10.48550/arxiv.1801.08211 · pith_short_12: ADN6RS2AMBKH · pith_short_16: ADN6RS2AMBKHAJPW · pith_short_8: ADN6RS2A

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/ADN6RS2AMBKHAJPW4PLFV4OH5D \
  | 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: 00dbe8cb4060547025f6e3d65af1c7e8e8f94953e0b0239b7f8bb70d08b9ceae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dc0aad39ec497cdf126673908c17a785e00af79cf33e62a810e7afbafc7426f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-24T21:54:50Z",
    "title_canon_sha256": "70570e62d3890f81480f1185b1a1fd81a77dcaf0d68dcb53d43bb54c4fe29e9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08211",
    "kind": "arxiv",
    "version": 1
  }
}