Pith Number

pith:MK3AM2CG

pith:2002:MK3AM2CGWBBHBRYKRGX4L3NM27

not attested not anchored not stored refs pending

Radio observations of the XMM-Newton/Chandra 13hr deep survey field

(2) Liverpool John Moores, (3) MSSL, (4) Birmingham, (5) Jodrell Bank, (6) NAOJ, (7) UCSB), A. M. Newsam (2), I. M. McHardy (1), K. F. Gunn (1), K. O. Mason (3), K. Sekiguchi (6), L. R. Jones (4), M. J. Page (3), N. Loaring (3), N. Seymour (1), T. Muxlow (5), T. Sasseen (7) ((1) Southampton, T. Takata (6)

arxiv:astro-ph/0212036 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{MK3AM2CGWBBHBRYKRGX4L3NM27}

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	2026-05-18T01:40:39.854551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62b6066846b04270c70a89afc5edacd7f516150edda3e2605ce38d9bb146d521

Aliases

arxiv: astro-ph/0212036 · arxiv_version: astro-ph/0212036v1 · doi: 10.48550/arxiv.astro-ph/0212036 · pith_short_12: MK3AM2CGWBBH · pith_short_16: MK3AM2CGWBBHBRYK · pith_short_8: MK3AM2CG

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/MK3AM2CGWBBHBRYKRGX4L3NM27 \
  | 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: 62b6066846b04270c70a89afc5edacd7f516150edda3e2605ce38d9bb146d521

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30d8fbbe0d128aab8ffacaf093dc8c4c66cfbe1b6f9e279b8aaa00ce40f3b200",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-02T15:34:33Z",
    "title_canon_sha256": "1ef5c239eca0ddf5339603e548250c2c46b3cfe0c26050f1311cf523f1f3e614"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212036",
    "kind": "arxiv",
    "version": 1
  }
}