Pith Number

pith:7JXTBX74

pith:2013:7JXTBX7473DG5VIXEQEBLTOCLL

not attested not anchored not stored refs pending

A Blazar-Like Radio Flare in Mrk 231

Brian Punsly, Christopher O'Dea, Cormac Reynolds, Joan Wrobel, Natasha Hurley-Walker

arxiv:1307.8314 v2 · 2013-07-31 · 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{7JXTBX7473DG5VIXEQEBLTOCLL}

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	2026-05-18T01:48:32.268150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa6f30dffcfec66ed517240815cdc25af71fb69296bb6f5dd858660c89f0174a

Aliases

arxiv: 1307.8314 · arxiv_version: 1307.8314v2 · doi: 10.48550/arxiv.1307.8314 · pith_short_12: 7JXTBX7473DG · pith_short_16: 7JXTBX7473DG5VIX · pith_short_8: 7JXTBX74

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/7JXTBX7473DG5VIXEQEBLTOCLL \
  | 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: fa6f30dffcfec66ed517240815cdc25af71fb69296bb6f5dd858660c89f0174a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d208af3a523a9a984f974d7e5eb6591231884d2dc2a8cba974d29c0c2ff9ae8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-31T13:33:27Z",
    "title_canon_sha256": "c6d78adfde179353e5efbb5c3860b04d6fa1a0de23034995455d59024fbbb6a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8314",
    "kind": "arxiv",
    "version": 2
  }
}