Pith Number

pith:PT5PFCFA

pith:2009:PT5PFCFABSWKYYBGQK7RLPSX4H

not attested not anchored not stored refs pending

Do all millisecond pulsars share a common heritage?

Astrophysics, Bulent Kiziltan, Santa Cruz; UCO/Lick Observatory), Stephen. E. Thorsett (Department of Astronomy, University of California

arxiv:0905.2183 v1 · 2009-05-13 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PT5PFCFABSWKYYBGQK7RLPSX4H}

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	2026-05-18T02:34:53.155464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cfaf288a00cacac602682bf15be57e1eb86d5137fc10a3b2d2cc47c3f951e42

Aliases

arxiv: 0905.2183 · arxiv_version: 0905.2183v1 · doi: 10.48550/arxiv.0905.2183 · pith_short_12: PT5PFCFABSWK · pith_short_16: PT5PFCFABSWKYYBG · pith_short_8: PT5PFCFA

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/PT5PFCFABSWKYYBGQK7RLPSX4H \
  | 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: 7cfaf288a00cacac602682bf15be57e1eb86d5137fc10a3b2d2cc47c3f951e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06e3bd0e16a608572b0b5d0496c0143126e091963a24f2ac4746150ae29a095a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-13T20:00:20Z",
    "title_canon_sha256": "7ae54aee5f4b0c9ece6632d10a293cc41cb240a967b069486f1c4c460e5f6436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2183",
    "kind": "arxiv",
    "version": 1
  }
}