Pith Number

pith:56OQJHOB

pith:2012:56OQJHOB72ORGZHKAZW74Y2PMP

not attested not anchored not stored refs pending

Optical observations of PSR J1357-6429 field

Aida Kirichenko, Andrey Danilenko, Dmitry Zyuzin, George Pavlov, Ronald E. Mennickent, Sergey Zharikov, Yury Shibanov

arxiv:1206.5149 v1 · 2012-06-22 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56OQJHOB72ORGZHKAZW74Y2PMP}

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	2026-05-18T02:59:45.200190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef9d049dc1fe9d1364ea066dfe634f63c3df7ede30236b40fbaa5481fa791fc7

Aliases

arxiv: 1206.5149 · arxiv_version: 1206.5149v1 · doi: 10.48550/arxiv.1206.5149 · pith_short_12: 56OQJHOB72OR · pith_short_16: 56OQJHOB72ORGZHK · pith_short_8: 56OQJHOB

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/56OQJHOB72ORGZHKAZW74Y2PMP \
  | 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: ef9d049dc1fe9d1364ea066dfe634f63c3df7ede30236b40fbaa5481fa791fc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7d99e1f74aa34728bd602e624707bc9a86957f2472a6ab1e7ee61647e4558c8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-22T14:01:02Z",
    "title_canon_sha256": "3d524a1dd6374927de0f5a56ec645627652e62273743088e35d6cddff3f321cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5149",
    "kind": "arxiv",
    "version": 1
  }
}