Pith Number

pith:HVT2VZ3R

pith:2012:HVT2VZ3RMFBWR7Z4MP7B3ZWSMO

not attested not anchored not stored refs pending

The Dawn of Chemistry

Daniele Galli, Francesco Palla

arxiv:1211.3319 v1 · 2012-11-14 · astro-ph.CO · physics.chem-ph

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

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

Direct Collapse Black Hole Candidates from Decaying Dark Matter

Receipt and verification

First computed	2026-05-18T01:53:15.709069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d67aae771614368ff3c63fe1de6d263b8d0851e153cb9bc0168af2d9a34a60f

Aliases

arxiv: 1211.3319 · arxiv_version: 1211.3319v1 · doi: 10.48550/arxiv.1211.3319 · pith_short_12: HVT2VZ3RMFBW · pith_short_16: HVT2VZ3RMFBWR7Z4 · pith_short_8: HVT2VZ3R

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/HVT2VZ3RMFBWR7Z4MP7B3ZWSMO \
  | 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: 3d67aae771614368ff3c63fe1de6d263b8d0851e153cb9bc0168af2d9a34a60f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a9ea28fdc5022802f994d713f0c82788dbf651d072df2548ca2de4c28cde4d0",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-14T14:47:38Z",
    "title_canon_sha256": "d7b9919e7dc575b131007604c3606a396f0595a35bced91e8e4311e1929aa4d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3319",
    "kind": "arxiv",
    "version": 1
  }
}