Pith Number

pith:7ERV4QQJ

pith:2004:7ERV4QQJVT7365UO54QLQDHASW

not attested not anchored not stored refs pending

Deuterated molecular hydrogen in the Galactic ISM. New observations along seven translucent sightlines

D. E. Welty, D. G. York, E. Roueff, F. Le Petit, J.-M. Desert, M. K. Andre, P. Sonnentrucker, R. Ferlet, S. Lacour

arxiv:astro-ph/0410033 v1 · 2004-10-01 · 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{7ERV4QQJVT7365UO54QLQDHASW}

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	2026-07-04T15:20:14.659641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9235e4209acffbf768eef20b80ce095a6494ead084f11ec7a9af4231703370d

Aliases

arxiv: astro-ph/0410033 · arxiv_version: astro-ph/0410033v1 · doi: 10.48550/arxiv.astro-ph/0410033 · pith_short_12: 7ERV4QQJVT73 · pith_short_16: 7ERV4QQJVT7365UO · pith_short_8: 7ERV4QQJ

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/7ERV4QQJVT7365UO54QLQDHASW \
  | 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: f9235e4209acffbf768eef20b80ce095a6494ead084f11ec7a9af4231703370d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c732d3d6078a96d253143eaeeb354c2871f9d9886682fe376e8007ba03921f38",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-01T18:46:03Z",
    "title_canon_sha256": "e995af9c7c5339bf686c8349f3109e92e8694a4f46c689de0e699c227be0cc31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410033",
    "kind": "arxiv",
    "version": 1
  }
}