Pith Number

pith:FW7LWEYJ

pith:2005:FW7LWEYJXHFUZ4GKVVQ5J2D22J

not attested not anchored not stored refs pending

Atmospheric Biomarkers and their Evolution over Geological Timescales

K. Jucks, L. Kaltenegger, W.Traub

arxiv:astro-ph/0512053 v1 · 2005-12-02 · astro-ph · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FW7LWEYJXHFUZ4GKVVQ5J2D22J}

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	2026-05-18T04:26:44.458073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dbebb1309b9cb4cf0caad61d4e87ad26d705a295be2659b52a574408003c632

Aliases

arxiv: astro-ph/0512053 · arxiv_version: astro-ph/0512053v1 · doi: 10.48550/arxiv.astro-ph/0512053 · pith_short_12: FW7LWEYJXHFU · pith_short_16: FW7LWEYJXHFUZ4GK · pith_short_8: FW7LWEYJ

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/FW7LWEYJXHFUZ4GKVVQ5J2D22J \
  | 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: 2dbebb1309b9cb4cf0caad61d4e87ad26d705a295be2659b52a574408003c632

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08504d977c4afedaaeb3d14af1ce27db59627df4d5cc2543cdaa77904e448072",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-02T02:47:13Z",
    "title_canon_sha256": "cab8d762b609956a322933d3026f854277c2acba6871cfa60e3e4a661f28f588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512053",
    "kind": "arxiv",
    "version": 1
  }
}