Pith Number

pith:NF2MZCAY

pith:2015:NF2MZCAYEWLJ4H6OZAF7IL7XGO

not attested not anchored not stored refs pending

Comparison theorems for causal diamonds

Clement Berthiere, Gary Gibbons, Sergey N. Solodukhin

arxiv:1507.03619 v1 · 2015-07-13 · hep-th · gr-qc · math.DG

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	2026-05-18T01:31:37.672581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6974cc881825969e1fcec80bf42ff733a2a4429f867af314edba546ee70c7093

Aliases

arxiv: 1507.03619 · arxiv_version: 1507.03619v1 · doi: 10.48550/arxiv.1507.03619 · pith_short_12: NF2MZCAYEWLJ · pith_short_16: NF2MZCAYEWLJ4H6O · pith_short_8: NF2MZCAY

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/NF2MZCAYEWLJ4H6OZAF7IL7XGO \
  | 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: 6974cc881825969e1fcec80bf42ff733a2a4429f867af314edba546ee70c7093

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c28cecedfdb832ef3ec2b9cb951cce6fe2d47f6a7e6b7131a2d546f4c33ad403",
    "cross_cats_sorted": [
      "gr-qc",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-07-13T21:04:29Z",
    "title_canon_sha256": "b51576d81379b492a8e604e24a7c09fdd5fdaf58eed0d147c1ceafe7942edc05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03619",
    "kind": "arxiv",
    "version": 1
  }
}