Pith Number

pith:F6A4XNFM

pith:2009:F6A4XNFMGQ43TXWZDZLWVQALX2

not attested not anchored not stored refs pending

The micro-glitch in PSR B1821-24 : A case for a strange pulsar?

Jishnu Dey, Mira Dey, Raka Dona Ray Mandal, Sushan Konar

arxiv:0904.4559 v2 · 2009-04-29 · 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{F6A4XNFMGQ43TXWZDZLWVQALX2}

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	2026-05-18T02:13:49.266579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f81cbb4ac3439b9ded91e576ac00bbe85109a5e8b219d7815d8e586ec91f75f

Aliases

arxiv: 0904.4559 · arxiv_version: 0904.4559v2 · doi: 10.48550/arxiv.0904.4559 · pith_short_12: F6A4XNFMGQ43 · pith_short_16: F6A4XNFMGQ43TXWZ · pith_short_8: F6A4XNFM

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/F6A4XNFMGQ43TXWZDZLWVQALX2 \
  | 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: 2f81cbb4ac3439b9ded91e576ac00bbe85109a5e8b219d7815d8e586ec91f75f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c20e9528c0f674dfc7a04495c02e6582168d396eeed9db5ff1cfc9af37bf543e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-29T09:08:12Z",
    "title_canon_sha256": "257a7d8db3280399ffdc8df5f6fe6cbd315b39dcb937f1609e1c94bd960b0a84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4559",
    "kind": "arxiv",
    "version": 2
  }
}