Pith Number

pith:EKDO4FDE

pith:2012:EKDO4FDEEB7BNCBXOA5EFCYBYD

not attested not anchored not stored refs pending

Our astrochemical heritage

Cecilia Ceccarelli, Paola Caselli

arxiv:1210.6368 v1 · 2012-10-23 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKDO4FDEEB7BNCBXOA5EFCYBYD}

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	2026-05-18T01:53:44.036484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2286ee1464207e168837703a428b01c0c10b743942b8bdd6ee12f04ac8ba3416

Aliases

arxiv: 1210.6368 · arxiv_version: 1210.6368v1 · doi: 10.48550/arxiv.1210.6368 · pith_short_12: EKDO4FDEEB7B · pith_short_16: EKDO4FDEEB7BNCBX · pith_short_8: EKDO4FDE

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/EKDO4FDEEB7BNCBXOA5EFCYBYD \
  | 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: 2286ee1464207e168837703a428b01c0c10b743942b8bdd6ee12f04ac8ba3416

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13b2ff50886b5d06044bfd3e9db690794acc609dbc976d602a5ee9173f1a3be2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-10-23T20:23:46Z",
    "title_canon_sha256": "7505cd580ea53e43e49ff5d2c3c82af6a13b12e2253e61b3be2fcab7c10d4f9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6368",
    "kind": "arxiv",
    "version": 1
  }
}