Pith Number

pith:WU3YXJDP

pith:2025:WU3YXJDPK5V7YFOFM4YF22RYGY

not attested not anchored not stored refs pending

Archean Methane Cycling and Life's Co-Evolution: Intertwining Early Biogeochemical Processes and Ancient Microbial Metabolism

Gregory P. Fournier, Saleheh Ebadirad, Timothy W. Lyons

arxiv:2503.21919 v1 · 2025-03-27 · physics.ao-ph · 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{WU3YXJDPK5V7YFOFM4YF22RYGY}

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.

Cited by

1 paper in Pith

The effect of spectral resolution on biosignature detection via reflected light observations of the Earth through time

Receipt and verification

First computed	2026-07-05T10:40:44.590160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5378ba46f576bfc15c567305d6a38362157a7d679225dd3b63f30eb00259921

Aliases

arxiv: 2503.21919 · arxiv_version: 2503.21919v1 · doi: 10.48550/arxiv.2503.21919 · pith_short_12: WU3YXJDPK5V7 · pith_short_16: WU3YXJDPK5V7YFOF · pith_short_8: WU3YXJDP

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/WU3YXJDPK5V7YFOFM4YF22RYGY \
  | 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: b5378ba46f576bfc15c567305d6a38362157a7d679225dd3b63f30eb00259921

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd9f9bb3eda1784e5d939ba2405118dc3f9dff2581511bac0906bf7a687d43b9",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-03-27T18:54:01Z",
    "title_canon_sha256": "6a875977fd6c9121c098cc9cc1a5b06e2e23f553996be92ed08846e577ded0fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.21919",
    "kind": "arxiv",
    "version": 1
  }
}