Pith Number

pith:TPPNISRN

pith:2012:TPPNISRNHIL3ZNHL7JEPLZLUTN

not attested not anchored not stored refs pending

X-ray variability of 104 active galactic nuclei. XMM-Newton power-spectrum density profiles

O. Gonzalez-Martin, S. Vaughan

arxiv:1205.4255 v1 · 2012-05-18 · astro-ph.HE · 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{TPPNISRNHIL3ZNHL7JEPLZLUTN}

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	2026-05-18T01:57:25.533588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bded44a2d3a17bcb4ebfa48f5e5749b7a11d63b8504f5e70d6bc10083a70b50

Aliases

arxiv: 1205.4255 · arxiv_version: 1205.4255v1 · doi: 10.48550/arxiv.1205.4255 · pith_short_12: TPPNISRNHIL3 · pith_short_16: TPPNISRNHIL3ZNHL · pith_short_8: TPPNISRN

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/TPPNISRNHIL3ZNHL7JEPLZLUTN \
  | 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: 9bded44a2d3a17bcb4ebfa48f5e5749b7a11d63b8504f5e70d6bc10083a70b50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2621e84713a12a411eeb1a0e9170c99c2ad6585adbdfbaaf1598fd2ba7366139",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-05-18T20:15:24Z",
    "title_canon_sha256": "7f984fd796ec83ff9372f66a8f052fa7152b50e3cd08f7716d211d551934fe43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4255",
    "kind": "arxiv",
    "version": 1
  }
}