Pith Number

pith:UWMMZYFZ

pith:2013:UWMMZYFZXY46BALTRMZVWVQMDC

not attested not anchored not stored refs pending

Modelling the broad Fe K\alpha\ reverberation in the AGN NGC 4151

A. C. Fabian, A. Zoghbi, C. Reynolds, D. R. Wilkins, E. Kara, E. M. Cackett, P. Uttley

arxiv:1311.2997 v2 · 2013-11-13 · 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{UWMMZYFZXY46BALTRMZVWVQMDC}

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	2026-05-18T01:46:31.744069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a598cce0b9be39e081738b335b560c18877056b7894bce87ce0cc2c416f9ef9f

Aliases

arxiv: 1311.2997 · arxiv_version: 1311.2997v2 · doi: 10.48550/arxiv.1311.2997 · pith_short_12: UWMMZYFZXY46 · pith_short_16: UWMMZYFZXY46BALT · pith_short_8: UWMMZYFZ

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/UWMMZYFZXY46BALTRMZVWVQMDC \
  | 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: a598cce0b9be39e081738b335b560c18877056b7894bce87ce0cc2c416f9ef9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23ebc0c320d6ac2cace749671d0c8af6397c58b3b3ae4d7e44dfb04d180417cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-13T01:27:16Z",
    "title_canon_sha256": "9b0c2ae3038556a5ac70a0094f99eadd1b62a34a7a261c930aceb197b36cf4ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2997",
    "kind": "arxiv",
    "version": 2
  }
}