Pith Number

pith:P2ROLJOP

pith:2012:P2ROLJOPN4IRHOZLEIXDJ4E6BA

not attested not anchored not stored refs pending

Discovery of an Intermittent Pulsar: PSR J1839+15

B. C. Joshi, M. A. McLaughlin, M. P. Surnis, V. Gajjar

arxiv:1210.3784 v2 · 2012-10-14 · 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{P2ROLJOPN4IRHOZLEIXDJ4E6BA}

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	2026-05-18T01:13:31.357731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ea2e5a5cf6f1113bb2b222e34f09e080861431e2842b1c0032555c3d850163f

Aliases

arxiv: 1210.3784 · arxiv_version: 1210.3784v2 · doi: 10.48550/arxiv.1210.3784 · pith_short_12: P2ROLJOPN4IR · pith_short_16: P2ROLJOPN4IRHOZL · pith_short_8: P2ROLJOP

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/P2ROLJOPN4IRHOZLEIXDJ4E6BA \
  | 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: 7ea2e5a5cf6f1113bb2b222e34f09e080861431e2842b1c0032555c3d850163f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dce126e8742631996321a4cbd4e859f98e50670b36febbc8aebe7a54e53c90a9",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-14T12:04:04Z",
    "title_canon_sha256": "72301593cfb24fc3118e6dbf9d7a2cefe713a278572b5162a799613d801c8cb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3784",
    "kind": "arxiv",
    "version": 2
  }
}