Pith Number

pith:D556GOLG

pith:2002:D556GOLGBW3PIECWFJJ2OMJUIU

not attested not anchored not stored refs pending

Warm Molecular Layers in Protoplanetary Disks

(2) Leiden Observatory, (3)The Ohio State University), E. F. van Dishoeck (2), E. Herbst (3) ((1) Kobe University, G. J. van Zadelhoff (2), Y. Aikawa (1)

arxiv:astro-ph/0202060 v1 · 2002-02-03 · 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{D556GOLGBW3PIECWFJJ2OMJUIU}

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	2026-07-04T16:29:21.490145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f7be339660db6f410562a53a7313445344e5d6db1f16ffdca54d21385dd903d

Aliases

arxiv: astro-ph/0202060 · arxiv_version: astro-ph/0202060v1 · doi: 10.48550/arxiv.astro-ph/0202060 · pith_short_12: D556GOLGBW3P · pith_short_16: D556GOLGBW3PIECW · pith_short_8: D556GOLG

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/D556GOLGBW3PIECWFJJ2OMJUIU \
  | 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: 1f7be339660db6f410562a53a7313445344e5d6db1f16ffdca54d21385dd903d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7779282841a1c9c48f0c6262825f0ae533b8750ca5a3520fb86a51d5fe1b023",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-03T09:51:09Z",
    "title_canon_sha256": "fb50b527ee4203e236cda7e30074823a34814d6f585ee0856a8e7cf3ce21a5a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202060",
    "kind": "arxiv",
    "version": 1
  }
}