Pith Number

pith:IUO4TEXL

pith:2018:IUO4TEXL2DKM25ID66HUSRLCZ2

not attested not anchored not stored refs pending

Fundamental physics and the absence of sub-millisecond pulsars

A. Patruno, B. Haskell, J. L. Zdunik, M. Bejger, M. Fortin, R. Wijnands

arxiv:1805.11277 v1 · 2018-05-29 · astro-ph.HE · 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{IUO4TEXL2DKM25ID66HUSRLCZ2}

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	2026-05-17T23:59:08.815952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

451dc992ebd0d4cd7503f78f494562ceb2a0c79aae93fbfed26f08d8ca307483

Aliases

arxiv: 1805.11277 · arxiv_version: 1805.11277v1 · doi: 10.48550/arxiv.1805.11277 · pith_short_12: IUO4TEXL2DKM · pith_short_16: IUO4TEXL2DKM25ID · pith_short_8: IUO4TEXL

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/IUO4TEXL2DKM25ID66HUSRLCZ2 \
  | 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: 451dc992ebd0d4cd7503f78f494562ceb2a0c79aae93fbfed26f08d8ca307483

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a93f0103e932bf55c99ac97c11429fabd4e974a6b3705ad5b01286fce9e97cf",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-29T07:24:44Z",
    "title_canon_sha256": "62431c1692479a45e40c50d6db0af3896379fb094d510a2d0117a595cc1843d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11277",
    "kind": "arxiv",
    "version": 1
  }
}