Pith Number

pith:IZK7JTTC

pith:2009:IZK7JTTCVDMTX4ZIIXJ2POTK55

not attested not anchored not stored refs pending

Pulsar magnetic alignment and the pulsewidth-age relation

David G. Blair, Lee S. Chan, Matthew D. T. Young, Ron R. Burman

arxiv:0911.0502 v1 · 2009-11-03 · 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{IZK7JTTCVDMTX4ZIIXJ2POTK55}

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	2026-05-18T02:11:00.314485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4655f4ce62a8d93bf32845d3a7ba6aef54d0323579bba4a57f19dab3385b4e94

Aliases

arxiv: 0911.0502 · arxiv_version: 0911.0502v1 · doi: 10.48550/arxiv.0911.0502 · pith_short_12: IZK7JTTCVDMT · pith_short_16: IZK7JTTCVDMTX4ZI · pith_short_8: IZK7JTTC

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/IZK7JTTCVDMTX4ZIIXJ2POTK55 \
  | 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: 4655f4ce62a8d93bf32845d3a7ba6aef54d0323579bba4a57f19dab3385b4e94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee4e7c2e5af171fd8ab4288973447968217bc73a31d1dff2356f4cfec854352c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-03T05:20:31Z",
    "title_canon_sha256": "123cb6499b6996b4d66baa7e05c4296001002f7cbe92ca502ea07ba86874af3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0502",
    "kind": "arxiv",
    "version": 1
  }
}