Pith Number

pith:OHDWWOXU

pith:2009:OHDWWOXUSVNZBXZKLQBG7LX3TQ

not attested not anchored not stored refs pending

Photometric Study of Variable Stars in the Open Cluster NGC6866

A. Narwid, G. Kopacki, J. Molenda-Zakowicz, M. Steslicki

arxiv:0907.0813 v1 · 2009-07-05 · 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{OHDWWOXUSVNZBXZKLQBG7LX3TQ}

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.

Cited by

1 paper in Pith

Analysis of Newly Catalogued Open Star Cluster UPK~220 with Gaia DR3 and TESS: Discovering Member Variable Stars

Receipt and verification

First computed	2026-07-04T15:45:32.597108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71c76b3af4955b90df2a5c026faefb9c1edf76fe7ff7dc425269465a4d2b4357

Aliases

arxiv: 0907.0813 · arxiv_version: 0907.0813v1 · doi: 10.48550/arxiv.0907.0813 · pith_short_12: OHDWWOXUSVNZ · pith_short_16: OHDWWOXUSVNZBXZK · pith_short_8: OHDWWOXU

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/OHDWWOXUSVNZBXZKLQBG7LX3TQ \
  | 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: 71c76b3af4955b90df2a5c026faefb9c1edf76fe7ff7dc425269465a4d2b4357

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14948706c2f65e0c95b61e2d0580bfa9a04728196e9906a87b6075a4a8020787",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-05T01:21:28Z",
    "title_canon_sha256": "c4b4097280d378e8a7d09aee5a4f7d608eba0ab6add46795541e858d8fad1279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0813",
    "kind": "arxiv",
    "version": 1
  }
}