Pith Number

pith:UQQHO4I4

pith:2009:UQQHO4I4EPWW22DQ3R73JIS6PW

not attested not anchored not stored refs pending

Detection of Photometric Variations in the sdBV Star JL 166

A.E. Lynas-Gray, B.H. Dunlap, B.N Barlow, J.C. Clemens

arxiv:0906.2566 v1 · 2009-06-14 · 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{UQQHO4I4EPWW22DQ3R73JIS6PW}

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	2026-05-18T02:13:20.233127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a42077711c23ed6d6870dc7fb4a25e7d8c0c89ac0e6ab4b2c87ae42e2df8bed3

Aliases

arxiv: 0906.2566 · arxiv_version: 0906.2566v1 · doi: 10.48550/arxiv.0906.2566 · pith_short_12: UQQHO4I4EPWW · pith_short_16: UQQHO4I4EPWW22DQ · pith_short_8: UQQHO4I4

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/UQQHO4I4EPWW22DQ3R73JIS6PW \
  | 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: a42077711c23ed6d6870dc7fb4a25e7d8c0c89ac0e6ab4b2c87ae42e2df8bed3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "485c1c52b5279576b363893e2a01eff3841bcf75a418ba666e6fa340b61b3fab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-14T18:14:59Z",
    "title_canon_sha256": "16421d771da4468e3e91affa2514a0c633c3db6889cda00d4ef4abcd8a1580c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2566",
    "kind": "arxiv",
    "version": 1
  }
}