Pith Number

pith:JO2RSIMV

pith:2014:JO2RSIMVC4JXLAPCTH2DGWMORQ

not attested not anchored not stored refs pending

Long-term optical and radio variability of BL Lacertae

C. Xu, C. Y. Liu, D. F. Guo, F. Y. Meng, J. Q. Xu, M. T. Xu, S. M. Hu, X. Chen, Y. C. Guo

arxiv:1405.2613 v1 · 2014-05-12 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JO2RSIMVC4JXLAPCTH2DGWMORQ}

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	2026-05-18T01:43:15.256259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bb519219517137581e299f433598e8c09132a3c1baca23291c0735e21ec2f4c

Aliases

arxiv: 1405.2613 · arxiv_version: 1405.2613v1 · doi: 10.48550/arxiv.1405.2613 · pith_short_12: JO2RSIMVC4JX · pith_short_16: JO2RSIMVC4JXLAPC · pith_short_8: JO2RSIMV

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/JO2RSIMVC4JXLAPCTH2DGWMORQ \
  | 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: 4bb519219517137581e299f433598e8c09132a3c1baca23291c0735e21ec2f4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "815a900802e44420222f6ad07ce614f2d299a43fec2344472db2c5cfc8fd14db",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-05-12T02:01:46Z",
    "title_canon_sha256": "5ac225d590c6aa7719d08b2a46ec7cc37c1e8a356b37cc4e8176ba40871c4233"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2613",
    "kind": "arxiv",
    "version": 1
  }
}