Pith Number

pith:JYAMKFOS

pith:2007:JYAMKFOSSR3OFKZN3P4CVXFS7W

not attested not anchored not stored refs pending

High-Resolution Spectra Observed for SPY. II. DB and DBA Stars

B. Voss, D. Koester, D. Reimers, N. Christlieb, R. Napiwotzki

arxiv:0706.2936 v1 · 2007-06-20 · 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{JYAMKFOSSR3OFKZN3P4CVXFS7W}

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	2026-07-04T15:02:20.565798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e00c515d29476e2ab2ddbf82adcb2fdbebda998b4aa080ac5783f837f7b8848

Aliases

arxiv: 0706.2936 · arxiv_version: 0706.2936v1 · doi: 10.48550/arxiv.0706.2936 · pith_short_12: JYAMKFOSSR3O · pith_short_16: JYAMKFOSSR3OFKZN · pith_short_8: JYAMKFOS

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/JYAMKFOSSR3OFKZN3P4CVXFS7W \
  | 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: 4e00c515d29476e2ab2ddbf82adcb2fdbebda998b4aa080ac5783f837f7b8848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82ff88a949bb4d3d164444170cc07642a65fa683134f2670ba33f0cbbc19d51f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-20T08:24:36Z",
    "title_canon_sha256": "851156916975d1b90587a39b76027da2c8174e134560032029d19d4fd4dba5d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.2936",
    "kind": "arxiv",
    "version": 1
  }
}