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Pith Number

pith:33PJJE6E

pith:2006:33PJJE6EWD5M6YZBB45T34WSHZ
not attested not anchored not stored refs pending

3D-Kinematics of White Dwarfs from the SPY-Project

R. Napiwotzki, R. Richter, U. Heber

arxiv:astro-ph/0612531 v1 · 2006-12-19 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{33PJJE6EWD5M6YZBB45T34WSHZ}

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 2026-07-04T14:58:06.567481Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

dede9493c4b0facf63210f3b3df2d23e7b0f3fb4a05073bbc4b0d1c7954499c9

Aliases

arxiv: astro-ph/0612531 · arxiv_version: astro-ph/0612531v1 · doi: 10.48550/arxiv.astro-ph/0612531 · pith_short_12: 33PJJE6EWD5M · pith_short_16: 33PJJE6EWD5M6YZB · pith_short_8: 33PJJE6E
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/33PJJE6EWD5M6YZBB45T34WSHZ \
  | 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: dede9493c4b0facf63210f3b3df2d23e7b0f3fb4a05073bbc4b0d1c7954499c9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "50eb0bdb1649d824162a2dea69ad748193aade046996e35a258058f6d1d9dc9c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-19T11:58:44Z",
    "title_canon_sha256": "8434975231a1d7e72809cbcd05d33ab0cc3cbe4800ad34ad1294ad605b26f852"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612531",
    "kind": "arxiv",
    "version": 1
  }
}