Pith Number

pith:X2RRKZBF

pith:2000:X2RRKZBFOUOTUYXWZ55QYJM4KH

not attested not anchored not stored refs pending

Excitation of H_2 and HD in shocks and PDRs

B. T. Draine, D. Rosenthal, F. Bertoldi, H. Feuchtgruber, R. Timmermann, S. Drapatz, S. K. Ramsay Howat, T. Geballe

arxiv:astro-ph/0009384 v1 · 2000-09-24 · 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{X2RRKZBFOUOTUYXWZ55QYJM4KH}

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	2026-07-04T14:10:44.742896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bea3156425751d3a62f6cf7b0c259c51dd71a8d98ff02f758854f19ef57fc612

Aliases

arxiv: astro-ph/0009384 · arxiv_version: astro-ph/0009384v1 · doi: 10.48550/arxiv.astro-ph/0009384 · pith_short_12: X2RRKZBFOUOT · pith_short_16: X2RRKZBFOUOTUYXW · pith_short_8: X2RRKZBF

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/X2RRKZBFOUOTUYXWZ55QYJM4KH \
  | 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: bea3156425751d3a62f6cf7b0c259c51dd71a8d98ff02f758854f19ef57fc612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b01d3e9b35700f6b5a96240c14cb6d72f4f901d7fe5ee040351e10faf2149e08",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-24T23:54:59Z",
    "title_canon_sha256": "9f5bfe0ec62aa1d509c71762df01f62b0a20d9f05d0434c73a409143b907a04c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009384",
    "kind": "arxiv",
    "version": 1
  }
}