Pith Number

pith:ZMEOOKPU

pith:2002:ZMEOOKPU7VDYIUTO3UMZVJRWVW

not attested not anchored not stored refs pending

Chemical abundances of Damped Ly alpha systems: A new method for estimating dust depletion effects

G. Vladilo

arxiv:astro-ph/0206048 v1 · 2002-06-04 · 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{ZMEOOKPU7VDYIUTO3UMZVJRWVW}

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	2026-07-04T16:30:08.200392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb08e729f4fd4784526edd199aa636adba3267a1f1182b223d73a6831111f4c0

Aliases

arxiv: astro-ph/0206048 · arxiv_version: astro-ph/0206048v1 · doi: 10.48550/arxiv.astro-ph/0206048 · pith_short_12: ZMEOOKPU7VDY · pith_short_16: ZMEOOKPU7VDYIUTO · pith_short_8: ZMEOOKPU

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/ZMEOOKPU7VDYIUTO3UMZVJRWVW \
  | 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: cb08e729f4fd4784526edd199aa636adba3267a1f1182b223d73a6831111f4c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a859555172ccef0a274c08579b2c2298e1be6d9839e3f1984389dda17dc69528",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-04T09:22:24Z",
    "title_canon_sha256": "bf9fe5138fc50588ebeaf15afa41855a9150f49a67adaebea3bf8b1cbca47a4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0206048",
    "kind": "arxiv",
    "version": 1
  }
}