Pith Number

pith:ERG4XX3E

pith:2001:ERG4XX3EEVE2PYVCBQGOT2ZJ4G

not attested not anchored not stored refs pending

Molecular ions in L1544. I. Kinematics

A. Zucconi, C. M. Walmsley, L. Dore, M. Tafalla, P. Caselli, P. C. Myers

arxiv:astro-ph/0109021 v1 · 2001-09-03 · 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{ERG4XX3EEVE2PYVCBQGOT2ZJ4G}

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	2026-07-04T23:57:15.289609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

244dcbdf642549a7e2a20c0ce9eb29e1bf767ca878c88a16809a3e2293f96ab9

Aliases

arxiv: astro-ph/0109021 · arxiv_version: astro-ph/0109021v1 · doi: 10.48550/arxiv.astro-ph/0109021 · pith_short_12: ERG4XX3EEVE2 · pith_short_16: ERG4XX3EEVE2PYVC · pith_short_8: ERG4XX3E

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/ERG4XX3EEVE2PYVCBQGOT2ZJ4G \
  | 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: 244dcbdf642549a7e2a20c0ce9eb29e1bf767ca878c88a16809a3e2293f96ab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb1ae8c6ec76a26e7501efa69ee3be9ce245f4938a6ca9beba5aa889e7352d69",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-03T10:43:36Z",
    "title_canon_sha256": "94e30da743b94edb133d6750a1f6d8316f5ce9c48ccbe894b5c59c8ba25ea52a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109021",
    "kind": "arxiv",
    "version": 1
  }
}