Pith Number

pith:VSVERS3T

pith:2005:VSVERS3T2UBXKGEBCOTWRR6R2G

not attested not anchored not stored refs pending

B335: A Laboratory for Astrochemistry in a Collapsing Cloud

Jeong-Eun Lee, Jonathan M. C. Rawlings, Minho Choi, Neal J. Evans II

arxiv:astro-ph/0503459 v1 · 2005-03-21 · 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{VSVERS3T2UBXKGEBCOTWRR6R2G}

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	2026-07-04T16:51:02.805917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acaa48cb73d50375188113a768c7d1d19f316cff5f328213465b5ed7a1c97e98

Aliases

arxiv: astro-ph/0503459 · arxiv_version: astro-ph/0503459v1 · doi: 10.48550/arxiv.astro-ph/0503459 · pith_short_12: VSVERS3T2UBX · pith_short_16: VSVERS3T2UBXKGEB · pith_short_8: VSVERS3T

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/VSVERS3T2UBXKGEBCOTWRR6R2G \
  | 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: acaa48cb73d50375188113a768c7d1d19f316cff5f328213465b5ed7a1c97e98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7538def6831ac515119634d49996830142fb334d117d6201a6a2f818bf9e751b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-21T21:46:11Z",
    "title_canon_sha256": "3d8c4d5d7f127dfa900f74dab729746b012bd73d8f46fcff4e6a6b801c298a39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503459",
    "kind": "arxiv",
    "version": 1
  }
}