Pith Number

pith:ZSDHUR42

pith:2003:ZSDHUR42G4G5X2PUBMYOVY3FUK

not attested not anchored not stored refs pending

CO Depletion and Deuterium Fractionation in Prestellar Cores

2), (2) AIU Jena, (3) Observatoire de Grenoble, 4), (4) Observatoire de Bordeaux, (5) UNAM Mexico), Alain Castets (4), Aurore Bacmann (1, Bertrand Lefloch (3), Cecilia Ceccarelli (3, Juergen Steinacker (2), Laurent Loinard (5) ((1) ESO Garching

arxiv:astro-ph/0301651 v1 · 2003-01-31 · 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{ZSDHUR42G4G5X2PUBMYOVY3FUK}

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	2026-07-04T16:36:25.450342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc867a479a370ddbe9f40b30eae365a283e72d96473f2fa80a1d6f7d4b954223

Aliases

arxiv: astro-ph/0301651 · arxiv_version: astro-ph/0301651v1 · doi: 10.48550/arxiv.astro-ph/0301651 · pith_short_12: ZSDHUR42G4G5 · pith_short_16: ZSDHUR42G4G5X2PU · pith_short_8: ZSDHUR42

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/ZSDHUR42G4G5X2PUBMYOVY3FUK \
  | 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: cc867a479a370ddbe9f40b30eae365a283e72d96473f2fa80a1d6f7d4b954223

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9392afb56d7adbaac529d688b39222bf4e619327c2c694067bbb281a4be919a8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-31T17:00:40Z",
    "title_canon_sha256": "10266cc4de1d361e17a563085cfc4cc7da019fc73152a6a45173c327ebe47e49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301651",
    "kind": "arxiv",
    "version": 1
  }
}