Pith Number

pith:BN53CSYP

pith:2001:BN53CSYPC4YP34ZKBE6HCE2BGF

not attested not anchored not stored refs pending

Near-infrared spectroscopy of nearby Seyfert galaxies. I. First results

Garching), J. K. Kotilainen (Tuorla Observatory), J. Reunanen (Tuorla Observatory), M. A. Prieto (ESO

arxiv:astro-ph/0111463 v1 · 2001-11-24 · 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{BN53CSYPC4YP34ZKBE6HCE2BGF}

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	2026-07-04T16:24:31.396120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b7bb14b0f1730fdf32a093c71134131679378fcd65810ab118a66d03433ce9b

Aliases

arxiv: astro-ph/0111463 · arxiv_version: astro-ph/0111463v1 · doi: 10.48550/arxiv.astro-ph/0111463 · pith_short_12: BN53CSYPC4YP · pith_short_16: BN53CSYPC4YP34ZK · pith_short_8: BN53CSYP

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/BN53CSYPC4YP34ZKBE6HCE2BGF \
  | 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: 0b7bb14b0f1730fdf32a093c71134131679378fcd65810ab118a66d03433ce9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f39ae9ee226b607364df8de9daf775d1a3c1e129c989ef614c55a59ba970622",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-24T10:31:13Z",
    "title_canon_sha256": "9a461dcabeaa93c51ae1c414785d64919a8c4e5264e806b009d727947b840a6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111463",
    "kind": "arxiv",
    "version": 1
  }
}