Pith Number

pith:AF44JDNE

pith:2018:AF44JDNEHMQS3AOS3QKY422WXJ

not attested not anchored not stored refs pending

Extreme binary black holes in a physical representation

I. Cabrera-Munguia

arxiv:1806.10818 v2 · 2018-06-28 · gr-qc

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	2026-05-18T00:01:47.157899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0179c48da43b212d81d2dc158e6b56ba56be95c34c8b591e3eb57290d3d97cc5

Aliases

arxiv: 1806.10818 · arxiv_version: 1806.10818v2 · doi: 10.48550/arxiv.1806.10818 · pith_short_12: AF44JDNEHMQS · pith_short_16: AF44JDNEHMQS3AOS · pith_short_8: AF44JDNE

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/AF44JDNEHMQS3AOS3QKY422WXJ \
  | 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: 0179c48da43b212d81d2dc158e6b56ba56be95c34c8b591e3eb57290d3d97cc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e06cbab47acd63a46b596a786f1023f8e72137b55cb351bf8d5f713e27fa6c4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-06-28T08:21:24Z",
    "title_canon_sha256": "2e88c845f22868728ef5b50059a761572c0ad6ca7ab349ae25f049cf810ae488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10818",
    "kind": "arxiv",
    "version": 2
  }
}