Pith Number

pith:O56GWLJJ

pith:2011:O56GWLJJSNBOGIFDZHFOJKNIMK

not attested not anchored not stored refs pending

The OPTX Project V: Identifying Distant AGNs

A. J. Barger, C. Tremonti, L. Trouille

arxiv:1110.0008 v1 · 2011-09-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O56GWLJJSNBOGIFDZHFOJKNIMK}

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	2026-05-18T04:11:51.002835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

777c6b2d299342e320a3c9cae4a9a862960af44fc8608b8e6f85164c67f7f887

Aliases

arxiv: 1110.0008 · arxiv_version: 1110.0008v1 · doi: 10.48550/arxiv.1110.0008 · pith_short_12: O56GWLJJSNBO · pith_short_16: O56GWLJJSNBOGIFD · pith_short_8: O56GWLJJ

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/O56GWLJJSNBOGIFDZHFOJKNIMK \
  | 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: 777c6b2d299342e320a3c9cae4a9a862960af44fc8608b8e6f85164c67f7f887

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6de29192c422709ec043a4335cb6cfb5bf187a6f4fdd4e512b174c53d4e743d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-30T20:07:00Z",
    "title_canon_sha256": "f3f3caa1c21b13b0b00409bd5bdcf50c3451f74bce2192d8878ba85d36d66ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0008",
    "kind": "arxiv",
    "version": 1
  }
}