Pith Number

pith:JMZ27VAB

pith:2002:JMZ27VABVJ5NH56LKBQPFET4PJ

not attested not anchored not stored refs pending

X-ray and optical properties of X-ray sources in the 13hr XMM-Newton/Chandra deep survey

A.Newsam (Liverpool J.M.), A. Ware (UCSB), I.M. McHardy (Southampton), J. Kennea (UCSB), K.F. Gunn (Southampton), K.O. Mason (MSSL) T. Sasseen (UCSB), K. Sekiguchi (Subaru), M.J. Page (MSSL), N.S. Loaring (MSSL), T. Takata (Subaru)

arxiv:astro-ph/0212035 v1 · 2002-12-02 · 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{JMZ27VABVJ5NH56LKBQPFET4PJ}

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	2026-05-18T01:40:39.863495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b33afd401aa7ad3f7cb5060f2927c7a71284ba8fa6c54bdbfe3079700e70284

Aliases

arxiv: astro-ph/0212035 · arxiv_version: astro-ph/0212035v1 · doi: 10.48550/arxiv.astro-ph/0212035 · pith_short_12: JMZ27VABVJ5N · pith_short_16: JMZ27VABVJ5NH56L · pith_short_8: JMZ27VAB

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/JMZ27VABVJ5NH56LKBQPFET4PJ \
  | 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: 4b33afd401aa7ad3f7cb5060f2927c7a71284ba8fa6c54bdbfe3079700e70284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8075c843108c876050fd5e1cd7359773a71d995bd7c114d6f5f575967301e38",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-02T15:31:02Z",
    "title_canon_sha256": "ba585cca086587b2be6a74fb50652907cef541ec66a6444a507da310c107557a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212035",
    "kind": "arxiv",
    "version": 1
  }
}