Pith Number

pith:IOCLPJNK

pith:2018:IOCLPJNKYVRAPLFQKLRAVQJQJJ

not attested not anchored not stored refs pending

Planetary Engulfment in the Hertzsprung--Russell Diagram

Matteo Cantiello, Melinda Soares-Furtado, Morgan MacLeod

arxiv:1801.04274 v1 · 2018-01-12 · astro-ph.SR · astro-ph.EP

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.

Receipt and verification

First computed	2026-05-18T00:24:46.948952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4384b7a5aac56207acb052e20ac1304a7d03b0f37eae9e3547faab1ba5040d41

Aliases

arxiv: 1801.04274 · arxiv_version: 1801.04274v1 · doi: 10.48550/arxiv.1801.04274 · pith_short_12: IOCLPJNKYVRA · pith_short_16: IOCLPJNKYVRAPLFQ · pith_short_8: IOCLPJNK

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/IOCLPJNKYVRAPLFQKLRAVQJQJJ \
  | 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: 4384b7a5aac56207acb052e20ac1304a7d03b0f37eae9e3547faab1ba5040d41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ad1ed2e638ec8b6e5306ece48e28b905f0f0bebad319ba17cd576c5f6b8f46a",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-12T19:00:00Z",
    "title_canon_sha256": "a518ca8ecfba742b0d4e7f0104626d11b77b32f09ff252ef4cfd3400ea6547f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04274",
    "kind": "arxiv",
    "version": 1
  }
}