Pith Number

pith:QK6UEIOH

pith:2011:QK6UEIOHHO2GVY6DUDRVOY5OZQ

not attested not anchored not stored refs pending

An Improved Spectroscopic Analysis of DA White Dwarfs from the Sloan Digital Sky Survey Data Release 4

A. Gianninas, P. Bergeron, P.-E. Tremblay

arxiv:1102.0056 v1 · 2011-02-01 · 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{QK6UEIOHHO2GVY6DUDRVOY5OZQ}

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

2 papers in Pith

Balmer decrements as a new diagnostic for period-bounce Cataclysmic Variable stars

Gaia Exoplanet Orbits, Demographics, and Evolution Survey (GEODES): Characteristics of Three Long-Period Companions Accelerating their Host Stars

Receipt and verification

First computed	2026-05-18T02:03:19.778980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82bd4221c73bb46ae3c3a0e35763aecc03886c25fafdc063a14a3a16eaac9e96

Aliases

arxiv: 1102.0056 · arxiv_version: 1102.0056v1 · doi: 10.48550/arxiv.1102.0056 · pith_short_12: QK6UEIOHHO2G · pith_short_16: QK6UEIOHHO2GVY6D · pith_short_8: QK6UEIOH

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/QK6UEIOHHO2GVY6DUDRVOY5OZQ \
  | 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: 82bd4221c73bb46ae3c3a0e35763aecc03886c25fafdc063a14a3a16eaac9e96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba58b401e869756c7e7e03df722f7badc7b864ac34d2122c3a3e7844dcb1670c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-01T01:55:58Z",
    "title_canon_sha256": "79596c3177a7a76ed1a7b51adc0302d538046ca40e0c2900ea70489aac3ae69f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0056",
    "kind": "arxiv",
    "version": 1
  }
}