Pith Number

pith:A4FV7QT3

pith:1998:A4FV7QT37HHVTKQMSUEU2TKWXD

not attested not anchored not stored refs pending

Molecular gas in the barred spiral M100 - II. 12 CO(1-0) interferometer observations and numerical simulations

F. Combes, M.J.Sempere, R. Neri, S. Garcia-Burillo

arxiv:astro-ph/9803006 v1 · 1998-03-02 · 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{A4FV7QT37HHVTKQMSUEU2TKWXD}

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	2026-05-18T01:07:37.763741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

070b5fc27bf9cf59aa0c95094d4d56b8f5d316408e595cff41ad6a3711e2cd6d

Aliases

arxiv: astro-ph/9803006 · arxiv_version: astro-ph/9803006v1 · doi: 10.48550/arxiv.astro-ph/9803006 · pith_short_12: A4FV7QT37HHV · pith_short_16: A4FV7QT37HHVTKQM · pith_short_8: A4FV7QT3

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/A4FV7QT37HHVTKQMSUEU2TKWXD \
  | 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: 070b5fc27bf9cf59aa0c95094d4d56b8f5d316408e595cff41ad6a3711e2cd6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38fe02fa2f21a960cc393e6cf3023b34948dc06036a1f71ad9786d8afa481132",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-03-02T15:12:20Z",
    "title_canon_sha256": "2ecaa19d1d801d413ce360773f78f88880e950b5583475d943ac96b72aa606f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9803006",
    "kind": "arxiv",
    "version": 1
  }
}