Pith Number

pith:Y4RF3WNI

pith:2014:Y4RF3WNIVKP5MT2HNFSLUNA2NG

not attested not anchored not stored refs pending

Bianchi I meets the Hubble diagram

Andr\'e Tilquin, Galliano Valent, Thomas Schucker

arxiv:1405.6523 v2 · 2014-05-26 · astro-ph.CO

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	2026-05-18T02:42:52.543743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7225dd9a8aa9fd64f476964ba341a698807549a42cf2375764cd75f64bf0a6f

Aliases

arxiv: 1405.6523 · arxiv_version: 1405.6523v2 · doi: 10.48550/arxiv.1405.6523 · pith_short_12: Y4RF3WNIVKP5 · pith_short_16: Y4RF3WNIVKP5MT2H · pith_short_8: Y4RF3WNI

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/Y4RF3WNIVKP5MT2HNFSLUNA2NG \
  | 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: c7225dd9a8aa9fd64f476964ba341a698807549a42cf2375764cd75f64bf0a6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "956893eaeba5c10791bf0e4a175b40490be9ea2e6191276b8cd00725954f1bb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-05-26T09:56:23Z",
    "title_canon_sha256": "51c94baaf79221b603ea9838fa620f3567fe0ac869dac0d6c6096696a888b319"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6523",
    "kind": "arxiv",
    "version": 2
  }
}