Pith Number

pith:BVOSNNMT

pith:2013:BVOSNNMTKZ5QCO6HN462CVUBOZ

not attested not anchored not stored refs pending

Nuclei of Seyfert galaxies and QSOs - Central engine and conditions of star formation. Workshop summary and open questions

2), A. Eckart (1, J. Zuther (1), M. Valencia-S.(1), M. Vitale (1), M. Zamaninasab (2). (1) I Physikalisches Institut - Universitaet zu Koeln (2) Max-Planck Institut fuer Radioastronomie

arxiv:1312.1281 v1 · 2013-12-04 · astro-ph.GA · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVOSNNMTKZ5QCO6HN462CVUBOZ}

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	2026-05-18T02:49:30.713681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d5d26b593567b013bc76f3da15681765ae6ab5d9283b538f035ad8bd1b2c072

Aliases

arxiv: 1312.1281 · arxiv_version: 1312.1281v1 · doi: 10.48550/arxiv.1312.1281 · pith_short_12: BVOSNNMTKZ5Q · pith_short_16: BVOSNNMTKZ5QCO6H · pith_short_8: BVOSNNMT

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/BVOSNNMTKZ5QCO6HN462CVUBOZ \
  | 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: 0d5d26b593567b013bc76f3da15681765ae6ab5d9283b538f035ad8bd1b2c072

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa3686c039757aa2e4a4513a464ebaa655fa5cd74e87cb25a0243534ff6e7a23",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-04T18:56:03Z",
    "title_canon_sha256": "c85588d712300f5ba32475ac96b2d73b20bc034bd880d0e152570bb466842a92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1281",
    "kind": "arxiv",
    "version": 1
  }
}