Pith Number

pith:O67BUA52

pith:2010:O67BUA52KT7B55HIBSZMKJTHHX

not attested not anchored not stored refs pending

Abundance analysis of DAZ white dwarfs

Adela Kawka, Frantisek Dinnbier, Helena Cibulkova, Peter Nemeth, Stephane Vennes

arxiv:1012.2639 v1 · 2010-12-13 · 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{O67BUA52KT7B55HIBSZMKJTHHX}

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	2026-05-18T02:04:29.804721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77be1a03ba54fe1ef4e80cb2c526673decf930689a059de31e8ea91b0a5827e3

Aliases

arxiv: 1012.2639 · arxiv_version: 1012.2639v1 · doi: 10.48550/arxiv.1012.2639 · pith_short_12: O67BUA52KT7B · pith_short_16: O67BUA52KT7B55HI · pith_short_8: O67BUA52

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/O67BUA52KT7B55HIBSZMKJTHHX \
  | 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: 77be1a03ba54fe1ef4e80cb2c526673decf930689a059de31e8ea91b0a5827e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79f4da87649f9ccb6596c2d450ffb3fd7e5bdf03630001f9e9ff8613ad27dded",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-13T06:17:34Z",
    "title_canon_sha256": "72c1dfa24d4383b0464af270429006e975eaa509af949f085371f9d642a0bbde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2639",
    "kind": "arxiv",
    "version": 1
  }
}