Pith Number

pith:3BZGQNZX

pith:2010:3BZGQNZX2QJE62IMFRHWK22E2S

not attested not anchored not stored refs pending

Color Behavior Of BL Lacertae Object OJ 287 During Optical Outburst

Jianghua Wu, Jun Ma, Xu Zhou, Yan Dai, Zong-Hong Zhu

arxiv:1011.4989 v1 · 2010-11-23 · astro-ph.GA · 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{3BZGQNZX2QJE62IMFRHWK22E2S}

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	2026-05-18T02:04:42.142239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d872683737d4124f690c2c4f656b44d489d50b1cbe3a35498ffd56cb2b4b2df7

Aliases

arxiv: 1011.4989 · arxiv_version: 1011.4989v1 · doi: 10.48550/arxiv.1011.4989 · pith_short_12: 3BZGQNZX2QJE · pith_short_16: 3BZGQNZX2QJE62IM · pith_short_8: 3BZGQNZX

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/3BZGQNZX2QJE62IMFRHWK22E2S \
  | 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: d872683737d4124f690c2c4f656b44d489d50b1cbe3a35498ffd56cb2b4b2df7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9c6a7f1837487c293a7494084fa73b18ace82b4ec83f1d87b3b6ab8c1eea5dd",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-11-23T02:27:21Z",
    "title_canon_sha256": "aa0ee0ee7495aff4e93e300aab70f4313ea2476d5666a20f09fa89a9c89a3352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4989",
    "kind": "arxiv",
    "version": 1
  }
}