Pith Number

pith:WHFCVVQR

pith:2002:WHFCVVQRDEXZQQ7E7ESTM2IKWQ

not attested not anchored not stored refs pending

The Chandra Deep Field-North Survey. XIV. X-ray detected Obscured AGNs and Starburst Galaxies in the Bright Submm Source Population

A.E. Hornschemeier, C. Vignali, D.M. Alexander, D.P. Schneider, F.E. Bauer, G. Chartas, G.P. Garmire, S.C. Gallagher (Penn State University), W.N. Brandt

arxiv:astro-ph/0211267 v1 · 2002-11-13 · 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{WHFCVVQRDEXZQQ7E7ESTM2IKWQ}

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	2026-05-18T04:23:01.082007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1ca2ad611192f9843e4f92536690ab4186e40bbc8d5a42730fdf01c3333fed8

Aliases

arxiv: astro-ph/0211267 · arxiv_version: astro-ph/0211267v1 · doi: 10.48550/arxiv.astro-ph/0211267 · pith_short_12: WHFCVVQRDEXZ · pith_short_16: WHFCVVQRDEXZQQ7E · pith_short_8: WHFCVVQR

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/WHFCVVQRDEXZQQ7E7ESTM2IKWQ \
  | 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: b1ca2ad611192f9843e4f92536690ab4186e40bbc8d5a42730fdf01c3333fed8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5abcf084594f8928b3e172d6c47c003e0029ce97020ebfdd66d92a2baced5d1d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-13T17:47:09Z",
    "title_canon_sha256": "5e77722140be04568d069494a826deba3bcc3a06749a4b33e5db36c642db1cd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211267",
    "kind": "arxiv",
    "version": 1
  }
}