Pith Number

pith:GWDUNWPP

pith:2002:GWDUNWPPFF6X3KO7EKWCTPRCQG

not attested not anchored not stored refs pending

Dust depletion and abundance pattern in damped Lyman-alpha systems: a sample of Mn and Ti abundances at z<2.2

(2) Institut d'Astrophysique de Paris), C. Ledoux (1), J. Bergeron (2), P. Petitjean (2) ((1) European Southern Observatory

arxiv:astro-ph/0202134 v1 · 2002-02-06 · 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{GWDUNWPPFF6X3KO7EKWCTPRCQG}

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	2026-07-04T16:29:22.394529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

358746d9ef297d7da9df22ac29be2281ae0fe29890a68408350ac761b831d5dc

Aliases

arxiv: astro-ph/0202134 · arxiv_version: astro-ph/0202134v1 · doi: 10.48550/arxiv.astro-ph/0202134 · pith_short_12: GWDUNWPPFF6X · pith_short_16: GWDUNWPPFF6X3KO7 · pith_short_8: GWDUNWPP

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/GWDUNWPPFF6X3KO7EKWCTPRCQG \
  | 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: 358746d9ef297d7da9df22ac29be2281ae0fe29890a68408350ac761b831d5dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72615cfcec0cd220c9e8bfed215b2af5096abb5c3994d87569e60e421a3bef14",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-06T19:44:07Z",
    "title_canon_sha256": "aa88ea090de2fa8d5c7be27b4072a96d1b866eabfe4a4ddbb6333227fff81dbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202134",
    "kind": "arxiv",
    "version": 1
  }
}