Pith Number

pith:FYM53FLR

pith:2007:FYM53FLRQVUIYNOIKCRMEOKB7Q

not attested not anchored not stored refs pending

Spitzer Power-law AGN Candidates in the Chandra Deep Field-North

((1) Univ. of Arizona, (2) Universidad Complutense de Madrid, (3) Instituto de Estructura de la Materia, A. Alonso-Herrero (3), CSIC, G. H. Rieke (1), J. L. Donley (1), J. R. Rigby (1), P. G. Perez-Gonzalez (2), Spain, Spain)

arxiv:astro-ph/0701698 v1 · 2007-01-24 · 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{FYM53FLRQVUIYNOIKCRMEOKB7Q}

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	2026-05-18T04:29:06.957592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e19dd957185688c35c850a2c23941fc1b3575dc7a3a7cf542746c0622239da9

Aliases

arxiv: astro-ph/0701698 · arxiv_version: astro-ph/0701698v1 · doi: 10.48550/arxiv.astro-ph/0701698 · pith_short_12: FYM53FLRQVUI · pith_short_16: FYM53FLRQVUIYNOI · pith_short_8: FYM53FLR

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/FYM53FLRQVUIYNOIKCRMEOKB7Q \
  | 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: 2e19dd957185688c35c850a2c23941fc1b3575dc7a3a7cf542746c0622239da9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf2b5fd0a22f965af584ec50b65f947fedfca341c53c8da039e41565b9eb18d4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-24T19:00:45Z",
    "title_canon_sha256": "076e3cce2724891329b92bc7a05b2a8549a518915ff566038bca96fe897aa7a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701698",
    "kind": "arxiv",
    "version": 1
  }
}