Pith Number

pith:ACNCRRJE

pith:2014:ACNCRRJEN3VYYJVKHFPEL75X44

not attested not anchored not stored refs pending

Is the Bianchi identity always hyperbolic?

Istv\'an R\'acz

arxiv:1406.1016 v2 · 2014-06-04 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ACNCRRJEN3VYYJVKHFPEL75X44}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T01:43:02.230137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

009a28c5246eeb8c26aa395e45ffb7e72121d1dadac70df148424dff06c72dbe

Aliases

arxiv: 1406.1016 · arxiv_version: 1406.1016v2 · doi: 10.48550/arxiv.1406.1016 · pith_short_12: ACNCRRJEN3VY · pith_short_16: ACNCRRJEN3VYYJVK · pith_short_8: ACNCRRJE

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/ACNCRRJEN3VYYJVKHFPEL75X44 \
  | 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: 009a28c5246eeb8c26aa395e45ffb7e72121d1dadac70df148424dff06c72dbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1656f827404da5acdf0df2e2489bec95bc39131d04cd7598b67bd18f78d0f172",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-06-04T12:00:57Z",
    "title_canon_sha256": "253353b538b6e55dfb637b84dbdb7220c5779a7b484196db0bc0fc2811074ce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1016",
    "kind": "arxiv",
    "version": 2
  }
}