Pith Number

pith:KRTDQABM

pith:2009:KRTDQABMDX7E2EPNYB7E2QQ7LQ

not attested not anchored not stored refs pending

A NLTE model atmosphere analysis of the pulsating sdO star SDSS J1600+0748

E. M. Green, G. Fontaine, M. Latour, P. Brassard, P. Chayer

arxiv:0909.4268 v2 · 2009-09-23 · 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{KRTDQABMDX7E2EPNYB7E2QQ7LQ}

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	2026-05-18T02:34:27.979196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

546638002c1dfe4d11edc07e4d421f5c163259d9e1440ebdb394c13e56202b1b

Aliases

arxiv: 0909.4268 · arxiv_version: 0909.4268v2 · doi: 10.48550/arxiv.0909.4268 · pith_short_12: KRTDQABMDX7E · pith_short_16: KRTDQABMDX7E2EPN · pith_short_8: KRTDQABM

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/KRTDQABMDX7E2EPNYB7E2QQ7LQ \
  | 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: 546638002c1dfe4d11edc07e4d421f5c163259d9e1440ebdb394c13e56202b1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "481a858ec5178ce3e6e60caa2249379e6d76969b5a768035f34dd5bb41ace70e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-23T18:10:07Z",
    "title_canon_sha256": "00228655e1375b2a508f0f47b174c638e9dc31256cb576c1abe5b511cd7d890b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4268",
    "kind": "arxiv",
    "version": 2
  }
}