Pith Number

pith:D532IV2O

pith:2011:D532IV2OGK4JC2VT4OSVF2B3JE

not attested not anchored not stored refs pending

Optical Outburst of the Gamma-Ray Blazar S4 0954+658 in March-April 2011

A.P. Marscher (Boston University, D.A. Blinov, D.A. Morozova, E.G. Larionova (Astron. Inst. of St.Petersburg University, E.N. Kopatskaya, I.S. Troitsky, Russia), S.G. Jorstad, USA), V.M. Larionov (Astron. Inst. of St.Petersburg University

arxiv:1110.5861 v1 · 2011-10-26 · 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{D532IV2OGK4JC2VT4OSVF2B3JE}

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	2026-05-18T04:10:11.038231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f77a4574e32b8916ab3e3a552e83b492b3e0efb4c746dc3c9f25d9e8a322470

Aliases

arxiv: 1110.5861 · arxiv_version: 1110.5861v1 · doi: 10.48550/arxiv.1110.5861 · pith_short_12: D532IV2OGK4J · pith_short_16: D532IV2OGK4JC2VT · pith_short_8: D532IV2O

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/D532IV2OGK4JC2VT4OSVF2B3JE \
  | 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: 1f77a4574e32b8916ab3e3a552e83b492b3e0efb4c746dc3c9f25d9e8a322470

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f234868f8f403d4c44f7c7a2347f8e5bf17f72b98e7295e8d8510bc81f24959",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-10-26T17:57:19Z",
    "title_canon_sha256": "b51952b86e5c8e7937b2ac9992f8f8d42eb8cfe789341413fbc7781783390782"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5861",
    "kind": "arxiv",
    "version": 1
  }
}