Pith Number

pith:47TMDHA4

pith:2007:47TMDHA4TWPWD3FKAQ3QIFOK6R

not attested not anchored not stored refs pending

Very deep X-ray observations of the Anomalous X-ray Pulsar 4U 0142+614

A.N. Parmar, E. Nichelli, G.L. Israel, L. Angelini, L. Stella, N. Rea, R. Perna, R. Turolla, S. Campana, S. Zane, T. Oosterbroek

arxiv:0707.3363 v2 · 2007-07-23 · 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{47TMDHA4TWPWD3FKAQ3QIFOK6R}

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	2026-07-04T17:04:48.578261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7e6c19c1c9d9f61ecaa04370415caf471e53c75e1033e54b34749c827076f0a

Aliases

arxiv: 0707.3363 · arxiv_version: 0707.3363v2 · doi: 10.48550/arxiv.0707.3363 · pith_short_12: 47TMDHA4TWPW · pith_short_16: 47TMDHA4TWPWD3FK · pith_short_8: 47TMDHA4

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/47TMDHA4TWPWD3FKAQ3QIFOK6R \
  | 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: e7e6c19c1c9d9f61ecaa04370415caf471e53c75e1033e54b34749c827076f0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbdd9cbebbf992a1e96d4fb5518f935c9886df71024a060358f5faa78ba6d6c4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-07-23T11:31:15Z",
    "title_canon_sha256": "103898a21c7338412c17c31dde07308189aeea055b9a242359365570fc55821e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.3363",
    "kind": "arxiv",
    "version": 2
  }
}