Pith Number

pith:FX33ZFNA

pith:2007:FX33ZFNA3THAR2EW3PQAYNOBLS

not attested not anchored not stored refs pending

Variable stars in the Open Cluster M11 (NGC 6705)

C.-U. Lee, J.-R. Koo, S.-C. Rey, S.-L. Kim, Y.-B. Jeon, Y. B. Kang, Y. H. Kim

arxiv:0709.1180 v1 · 2007-09-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FX33ZFNA3THAR2EW3PQAYNOBLS}

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	2026-07-04T17:05:36.478979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2df7bc95a0dcce08e896dbe00c35c15c9fb4f6175eabfac5e890dcf1ab35f6e2

Aliases

arxiv: 0709.1180 · arxiv_version: 0709.1180v1 · doi: 10.48550/arxiv.0709.1180 · pith_short_12: FX33ZFNA3THA · pith_short_16: FX33ZFNA3THAR2EW · pith_short_8: FX33ZFNA

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/FX33ZFNA3THAR2EW3PQAYNOBLS \
  | 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: 2df7bc95a0dcce08e896dbe00c35c15c9fb4f6175eabfac5e890dcf1ab35f6e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b1e1f2b4528af6ce521faf82872945b85bc66c4f456b2b258b31a9048f47ceb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-08T00:56:55Z",
    "title_canon_sha256": "95924b59db30bd4c1a2fb723b8646f5c2341b3b2dd7a69ac2882db595a120ddb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.1180",
    "kind": "arxiv",
    "version": 1
  }
}