Pith Number

pith:V2QLJJL5

pith:2014:V2QLJJL55ZWWFUSVGBBZVBBHNV

not attested not anchored not stored refs pending

Six-year Optical Monitoring of BL Lacertae Object 1ES 0806+52.4

Jianghua Wu, Qirong Yuan, Xiaoyuan Zhang, Xu Zhou, Zhongyi Man

arxiv:1408.1566 v1 · 2014-08-07 · astro-ph.GA · 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{V2QLJJL55ZWWFUSVGBBZVBBHNV}

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	2026-05-18T01:42:22.938531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aea0b4a57dee6d62d25530439a84276d793fc353271d6d65cf899f49a9545979

Aliases

arxiv: 1408.1566 · arxiv_version: 1408.1566v1 · doi: 10.48550/arxiv.1408.1566 · pith_short_12: V2QLJJL55ZWW · pith_short_16: V2QLJJL55ZWWFUSV · pith_short_8: V2QLJJL5

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/V2QLJJL55ZWWFUSVGBBZVBBHNV \
  | 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: aea0b4a57dee6d62d25530439a84276d793fc353271d6d65cf899f49a9545979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "903a44b2709268895b77348ca62ab29ff04d56385ca85fc79cf0bd7d2276a625",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-07T12:48:17Z",
    "title_canon_sha256": "60ce6dd0e6af8200fec526554f10728bcac80fddb4913797d87517090767a4b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1566",
    "kind": "arxiv",
    "version": 1
  }
}