Pith Number

pith:GYKC4GSB

pith:2012:GYKC4GSBXQU4S3T65D3TWJ5NXS

not attested not anchored not stored refs pending

On the photosynthetic potential in the very Early Archean oceans

Daile Avila, Osmel Martin, Rolando Cardenas

arxiv:1212.0872 v1 · 2012-12-04 · q-bio.PE · physics.bio-ph · q-bio.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYKC4GSBXQU4S3T65D3TWJ5NXS}

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	2026-05-18T01:52:47.660386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36142e1a41bc29c96e7ee8f73b27adbc9f982cfdd8774020b676ceed3a086a0c

Aliases

arxiv: 1212.0872 · arxiv_version: 1212.0872v1 · doi: 10.48550/arxiv.1212.0872 · pith_short_12: GYKC4GSBXQU4 · pith_short_16: GYKC4GSBXQU4S3T6 · pith_short_8: GYKC4GSB

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/GYKC4GSBXQU4S3T65D3TWJ5NXS \
  | 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: 36142e1a41bc29c96e7ee8f73b27adbc9f982cfdd8774020b676ceed3a086a0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0935df1b5af7f3788912d3358be19eb7121453aab6d2183cdd171e87f960e89c",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-12-04T21:07:53Z",
    "title_canon_sha256": "fcdb375e024660dc4c4760334ba091db513b7c9ebae6fd42a4cfc956aaa3e94f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0872",
    "kind": "arxiv",
    "version": 1
  }
}