Pith Number

pith:X7O6EP44

pith:2000:X7O6EP44Z3YOFCUUIJF5PA4DWJ

not attested not anchored not stored refs pending

Mid-infrared ISO spectroscopy of NGC 4945

A.F.M. Moorwood (1), A.G.G.M. Tielens (2) ((1) ESO (2) Kapteyn Astronomical Institute (3) MPE), D. Lutz (3), H.W.W. Spoon (1), J. Koornneef (2)

arxiv:astro-ph/0003457 v1 · 2000-03-30 · 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{X7O6EP44Z3YOFCUUIJF5PA4DWJ}

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.

Cited by

1 paper in Pith

Tracing the earliest stages of star and cluster formation in 19 nearby galaxies with PHANGS-JWST and HST: compact 3.3 $\mu$m PAH emitters and their relation to the optical census of star clusters

Receipt and verification

First computed	2026-07-04T14:10:16.163937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfdde23f9ccef0e28a94424bd78383b2619a9088541bd37391932f7403d4b740

Aliases

arxiv: astro-ph/0003457 · arxiv_version: astro-ph/0003457v1 · doi: 10.48550/arxiv.astro-ph/0003457 · pith_short_12: X7O6EP44Z3YO · pith_short_16: X7O6EP44Z3YOFCUU · pith_short_8: X7O6EP44

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/X7O6EP44Z3YOFCUUIJF5PA4DWJ \
  | 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: bfdde23f9ccef0e28a94424bd78383b2619a9088541bd37391932f7403d4b740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c670ec88ca77c3791653b8111574cc0f44f09945e7d8c86b1dfc2183983e67c5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-30T16:33:18Z",
    "title_canon_sha256": "e6fd03af2af9d9b17341121fcdf9b0e1d6d2f602479cc7b1ac28970939a8464e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003457",
    "kind": "arxiv",
    "version": 1
  }
}