Pith Number

pith:3O3JYF4J

pith:2013:3O3JYF4JNNOX5BNFP7IXPGK5H4

not attested not anchored not stored refs pending

Revealing the X-ray source in IRAS 13224-3809 through flux-dependent reverberation lags

A. C. Fabian, E. Kara, E. M. Cackett, G. Miniutti, P. Uttley

arxiv:1301.1924 v1 · 2013-01-09 · 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{3O3JYF4JNNOX5BNFP7IXPGK5H4}

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	2026-05-18T01:52:14.308493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbb69c17896b5d7e85a57fd177995d3f0111fcb627afa29dc9dc9405c9c4da3c

Aliases

arxiv: 1301.1924 · arxiv_version: 1301.1924v1 · doi: 10.48550/arxiv.1301.1924 · pith_short_12: 3O3JYF4JNNOX · pith_short_16: 3O3JYF4JNNOX5BNF · pith_short_8: 3O3JYF4J

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/3O3JYF4JNNOX5BNFP7IXPGK5H4 \
  | 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: dbb69c17896b5d7e85a57fd177995d3f0111fcb627afa29dc9dc9405c9c4da3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cad96154e1c612529dab753353b7cf8a3f5507833f341e5d1b037881e294f78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-09T16:55:08Z",
    "title_canon_sha256": "bc68ff52e424aaa411bb772ee1d7093ce130b3c3116177caf6aa324c4cc423ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1924",
    "kind": "arxiv",
    "version": 1
  }
}