Pith Number

pith:4CX4K5BC

pith:2004:4CX4K5BCLGVYOSIFFCBQSSLXKP

not attested not anchored not stored refs pending

W Hya : molecular inventory by ISO-SWS

A.G.G.M. Tielens, H. Feuchtgruber, K. Justtanont, L.B.F.M. Waters, T. de Jong

arxiv:astro-ph/0402068 v2 · 2004-02-03 · 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{4CX4K5BCLGVYOSIFFCBQSSLXKP}

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	2026-07-04T16:42:57.574557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0afc5742259ab874905288309497753e794d86717b40b1cbf48739a09655ae8

Aliases

arxiv: astro-ph/0402068 · arxiv_version: astro-ph/0402068v2 · doi: 10.48550/arxiv.astro-ph/0402068 · pith_short_12: 4CX4K5BCLGVY · pith_short_16: 4CX4K5BCLGVYOSIF · pith_short_8: 4CX4K5BC

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/4CX4K5BCLGVYOSIFFCBQSSLXKP \
  | 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: e0afc5742259ab874905288309497753e794d86717b40b1cbf48739a09655ae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dd43b9e1bb4f0eb571125aa166f6cc60770dbd7d3c32038d645b58a12ccaeed",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-03T11:13:30Z",
    "title_canon_sha256": "dea4d0a5086f59aa33c8327b1f3da858eb39e499113ee86d2d39f9223077a4aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402068",
    "kind": "arxiv",
    "version": 2
  }
}