Pith Number

pith:ZZQOKX2L

pith:2011:ZZQOKX2LILUBHJPW4XGV2TC232

not attested not anchored not stored refs pending

On the Extended Emission Around the Anomalous X-ray Pulsar 1E 1547.0-5408

C.-Y. Ng, F. P. Gavriil, P. M. Woods, R. Dib, S. A. Olausen, V. M. Kaspi, W. W. Zhu

arxiv:1107.2952 v2 · 2011-07-14 · 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{ZZQOKX2LILUBHJPW4XGV2TC232}

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	2026-05-18T04:08:23.991367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce60e55f4b42e813a5f6e5cd5d4c5ade9f8664ff55d2557be623c3cf2f3be044

Aliases

arxiv: 1107.2952 · arxiv_version: 1107.2952v2 · doi: 10.48550/arxiv.1107.2952 · pith_short_12: ZZQOKX2LILUB · pith_short_16: ZZQOKX2LILUBHJPW · pith_short_8: ZZQOKX2L

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/ZZQOKX2LILUBHJPW4XGV2TC232 \
  | 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: ce60e55f4b42e813a5f6e5cd5d4c5ade9f8664ff55d2557be623c3cf2f3be044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2ffd9605408b7efd4f46ad34a5095cdfcc7724b89af16f879ec890147a3b556",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-07-14T21:22:48Z",
    "title_canon_sha256": "62101c0b2f06f4d3e3ac211b553adb78ef87cf705b95daeb6eab4276b94f17fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2952",
    "kind": "arxiv",
    "version": 2
  }
}