Pith Number

pith:UHBKXZB6

pith:2013:UHBKXZB6YDLYEHEPUAX7ZAZGPO

not attested not anchored not stored refs pending

What's Inside the Cone? Numerically reconstructing the metric from observations

Hertzog L. Bester, Julien Larena, Nigel T. Bishop, Petrus J. van der Walt

arxiv:1312.1081 v3 · 2013-12-04 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHBKXZB6YDLYEHEPUAX7ZAZGPO}

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	2026-05-18T01:45:58.808019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1c2abe43ec0d7821c8fa02ffc83267b9124d83db1060436e13c91b426d3cd84

Aliases

arxiv: 1312.1081 · arxiv_version: 1312.1081v3 · doi: 10.48550/arxiv.1312.1081 · pith_short_12: UHBKXZB6YDLY · pith_short_16: UHBKXZB6YDLYEHEP · pith_short_8: UHBKXZB6

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/UHBKXZB6YDLYEHEPUAX7ZAZGPO \
  | 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: a1c2abe43ec0d7821c8fa02ffc83267b9124d83db1060436e13c91b426d3cd84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24ebb17fa3297557fe43ad76a4c40337640de36b5dabb26459c913f0223483cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-12-04T09:40:41Z",
    "title_canon_sha256": "dbe1662c375e0710e548b12d25d31b250e545c9e33be6f5eb39b10eacc0a7e32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1081",
    "kind": "arxiv",
    "version": 3
  }
}