Pith Number

pith:J6EKHM2P

pith:2014:J6EKHM2PGTTNQRTG4LPR227IK2

not attested not anchored not stored refs pending

Automated Classification of Periodic Variable Stars detected by the Wide-field Infrared Survey Explorer

(2) NASA Ames Research Center), Carl J. Grillmair (1), Douglas I. Hoffman (2), Frank J. Masci (1), Roc M. Cutri (1) ((1) California Institute of Technology

arxiv:1402.0125 v2 · 2014-02-01 · astro-ph.IM · astro-ph.SR · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6EKHM2PGTTNQRTG4LPR227IK2}

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	2026-05-18T01:44:53.690577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f88a3b34f34e6d84666e2df1d6be856b967f1f0cede562ca39a0b1dac894498

Aliases

arxiv: 1402.0125 · arxiv_version: 1402.0125v2 · doi: 10.48550/arxiv.1402.0125 · pith_short_12: J6EKHM2PGTTN · pith_short_16: J6EKHM2PGTTNQRTG · pith_short_8: J6EKHM2P

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/J6EKHM2PGTTNQRTG4LPR227IK2 \
  | 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: 4f88a3b34f34e6d84666e2df1d6be856b967f1f0cede562ca39a0b1dac894498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd45475954f43991434930b506aef7938304c36f618fb457faa020d3a142baf2",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-02-01T21:23:38Z",
    "title_canon_sha256": "1c12aea7b5a0b9ec74c4031fddf82901c523e2c49bc265349cdfd9f87eb83a4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0125",
    "kind": "arxiv",
    "version": 2
  }
}