Pith Number

pith:SXRF4X5U

pith:2011:SXRF4X5UUJN2NZ2R2WNACXRG6W

not attested not anchored not stored refs pending

Population study for gamma-ray pulsars; II Millisecond pulsars

J. Takata, K.S. Cheng (The University of Hong Kong), Y. Wang

arxiv:1102.2746 v2 · 2011-02-14 · 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{SXRF4X5UUJN2NZ2R2WNACXRG6W}

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	2026-05-18T00:50:24.039862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95e25e5fb4a25ba6e751d59a015e26f5ab87ef76512b482903d783defa01b37e

Aliases

arxiv: 1102.2746 · arxiv_version: 1102.2746v2 · doi: 10.48550/arxiv.1102.2746 · pith_short_12: SXRF4X5UUJN2 · pith_short_16: SXRF4X5UUJN2NZ2R · pith_short_8: SXRF4X5U

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/SXRF4X5UUJN2NZ2R2WNACXRG6W \
  | 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: 95e25e5fb4a25ba6e751d59a015e26f5ab87ef76512b482903d783defa01b37e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e1da83ad3bfc0d892b1caf98e7414bb9942a3c7e515522b36c3174e9d200ebc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-02-14T12:00:18Z",
    "title_canon_sha256": "f5c675596b32888be282f25d4ccdd1e2889e69f0c5d30da1cc09c0d35457c175"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2746",
    "kind": "arxiv",
    "version": 2
  }
}