Pith Number

pith:JFUYNA3Q

pith:2013:JFUYNA3QYQQKSULYB4S2ZWHRN7

not attested not anchored not stored refs pending

Topology beyond the horizon: how far can it be probed?

Jean-Philippe Uzan, Oph\'elia Fabre, Simon Prunet

arxiv:1311.3509 v2 · 2013-11-14 · 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{JFUYNA3QYQQKSULYB4S2ZWHRN7}

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.

Cited by

1 paper in Pith

The emergent Big Bang scenario

Receipt and verification

First computed	2026-05-18T01:35:12.492222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4969868370c420a951780f25acd8f16fc2c6078f1dc74a4321bd89be35e0f1a7

Aliases

arxiv: 1311.3509 · arxiv_version: 1311.3509v2 · doi: 10.48550/arxiv.1311.3509 · pith_short_12: JFUYNA3QYQQK · pith_short_16: JFUYNA3QYQQKSULY · pith_short_8: JFUYNA3Q

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/JFUYNA3QYQQKSULYB4S2ZWHRN7 \
  | 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: 4969868370c420a951780f25acd8f16fc2c6078f1dc74a4321bd89be35e0f1a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33e7682da937020b344264c600923a8f4fbb27c8db8aca4fdace10a2c37fe82d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-14T14:05:49Z",
    "title_canon_sha256": "cacc61e7d02f3be213b57c198bcbe4373a33774e6e9b7e980438c684c43beb6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3509",
    "kind": "arxiv",
    "version": 2
  }
}