Pith Number

pith:QHLPMDMY

pith:2008:QHLPMDMY3HWHQWIF3I4ELEBIAO

not attested not anchored not stored refs pending

Search for Near-Infrared Pulsation of the Anomalous X-ray Pulsar 4U 0142+61

Hiroshi Terada, Mikio Morii, Naoto Kobayashi, Nobuyuki Kawai, Noriaki Shibazaki, Shunji Kitamoto, Yasuyuki T. Tanaka

arxiv:0809.2638 v1 · 2008-09-16 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHLPMDMY3HWHQWIF3I4ELEBIAO}

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	2026-05-18T02:15:34.577553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d6f60d98d9ec785905da38459028039044b087831f633ac1be09ec3af6667e

Aliases

arxiv: 0809.2638 · arxiv_version: 0809.2638v1 · doi: 10.48550/arxiv.0809.2638 · pith_short_12: QHLPMDMY3HWH · pith_short_16: QHLPMDMY3HWHQWIF · pith_short_8: QHLPMDMY

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/QHLPMDMY3HWHQWIF3I4ELEBIAO \
  | 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: 81d6f60d98d9ec785905da38459028039044b087831f633ac1be09ec3af6667e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8f54aaed26170f9e2d19cf261af9e298102534627273cb32314787e7cd9bdbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-16T04:40:33Z",
    "title_canon_sha256": "e3316fdcea998a8aa4c4562560de2e879e5a3833657689f9e65bb271bd256db0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2638",
    "kind": "arxiv",
    "version": 1
  }
}