Pith Number

pith:PFLCJEZ2

pith:2012:PFLCJEZ2PQ3WBAMEFOHO5U2PKB

not attested not anchored not stored refs pending

Identifying Luminous AGN in Deep Surveys: Revised IRAC Selection Criteria

A. M. Koekemoer, C. D. Impey, C. N. Cardamone, D. B. Sanders, F. Civano, G. Zamorani, J. L. Donley, J. R. Trump, J. S. Kartaltepe, M. Brusa, M. Salvato, O. Ilbert, P. Capak, T. Miyaji

arxiv:1201.3899 v1 · 2012-01-18 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PFLCJEZ2PQ3WBAMEFOHO5U2PKB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:58:47.151653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

795624933a7c376081842b8eeed34f506a980e518005548849ad1970db078e17

Aliases

arxiv: 1201.3899 · arxiv_version: 1201.3899v1 · doi: 10.48550/arxiv.1201.3899 · pith_short_12: PFLCJEZ2PQ3W · pith_short_16: PFLCJEZ2PQ3WBAME · pith_short_8: PFLCJEZ2

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/PFLCJEZ2PQ3WBAMEFOHO5U2PKB \
  | 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: 795624933a7c376081842b8eeed34f506a980e518005548849ad1970db078e17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11df0c49541ace0c1bd9b64a5bb571d55a87b56d3c4833b1128f495bcf3dafdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-18T20:19:58Z",
    "title_canon_sha256": "19c60b2dbebe47e5f1cff22d5d1b556d025e84e645c2ae662d66d393e7bf0104"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3899",
    "kind": "arxiv",
    "version": 1
  }
}