Pith Number

pith:RN7GQLJY

pith:2019:RN7GQLJY37AZ2ID7TMQ3EHKXXV

not attested not anchored not stored refs pending

Characterizing Variable Stars in a Single Night with LSST

Eric D. Feigelson, Frederica Bianco, Sara Bonito

arxiv:1901.08009 v1 · 2019-01-23 · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RN7GQLJY37AZ2ID7TMQ3EHKXXV}

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	2026-05-17T23:55:39.320236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b7e682d38dfc19d207f9b21b21d57bd47c9b891e813718e2f3646b503efc484

Aliases

arxiv: 1901.08009 · arxiv_version: 1901.08009v1 · doi: 10.48550/arxiv.1901.08009 · pith_short_12: RN7GQLJY37AZ · pith_short_16: RN7GQLJY37AZ2ID7 · pith_short_8: RN7GQLJY

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/RN7GQLJY37AZ2ID7TMQ3EHKXXV \
  | 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: 8b7e682d38dfc19d207f9b21b21d57bd47c9b891e813718e2f3646b503efc484

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c76544a564bac5de2d2ed10f16fe41c7a9ae17feb7ef186c6078a5539f19bbdc",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-01-23T17:12:26Z",
    "title_canon_sha256": "492a2b669760a9a324697c23754c5364fd805fe1d6cf5c55f46d043b94d2f46d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08009",
    "kind": "arxiv",
    "version": 1
  }
}