Pith Number

pith:A3AWD7JF

pith:2004:A3AWD7JF6INC2LTZKCYEE7CFFX

not attested not anchored not stored refs pending

XMM-Newton Surveys of the Canada-France Redshift Survey Fields - II: The X-ray Catalogues, the Properties of the Host Galaxies, and the Redshift Distribution

E. S. Laird, H. J. McCracken, K. Nandra, M. Brodwin, S. A. Eales, S. Lilly, T. J. Waskett, W. K. Gear

arxiv:astro-ph/0402220 v1 · 2004-02-10 · 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{A3AWD7JF6INC2LTZKCYEE7CFFX}

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	2026-07-04T16:43:00.308043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06c161fd25f21a2d2e7950b0427c452dc8c97a0365232d57739857e434bc011c

Aliases

arxiv: astro-ph/0402220 · arxiv_version: astro-ph/0402220v1 · doi: 10.48550/arxiv.astro-ph/0402220 · pith_short_12: A3AWD7JF6INC · pith_short_16: A3AWD7JF6INC2LTZ · pith_short_8: A3AWD7JF

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/A3AWD7JF6INC2LTZKCYEE7CFFX \
  | 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: 06c161fd25f21a2d2e7950b0427c452dc8c97a0365232d57739857e434bc011c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "723978967d78b35f56f0494903df8048addd0b1907db2729e3ddea15343c2514",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-10T11:41:19Z",
    "title_canon_sha256": "10577c87726875e9161d5da1544b71d1515c10aeb94d0a73666752ad3663daeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402220",
    "kind": "arxiv",
    "version": 1
  }
}