Pith Number

pith:AFRUC4MD

pith:1997:AFRUC4MD3QCWJAUGGTT4UDLKNF

not attested not anchored not stored refs pending

Molecular Cloud Structure in the Magellanic Clouds: Effect of Metallicity

(2) Sterrewacht Leiden, (3) Onsala Space Observatory), D. T. Jaffe (1), Ewine F. van Dishoeck (2), L. E. B. Johansson (3), R. S. Booth (3) ((1) The University of Texas at Austin, Soojong Pak (1)

arxiv:astro-ph/9712158 v3 · 1997-12-11 · 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{AFRUC4MD3QCWJAUGGTT4UDLKNF}

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	2026-05-18T02:40:35.075456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0163417183dc0564828634e7ca0d6a697039f5be518d576ff792a22b3c4d35d4

Aliases

arxiv: astro-ph/9712158 · arxiv_version: astro-ph/9712158v3 · doi: 10.48550/arxiv.astro-ph/9712158 · pith_short_12: AFRUC4MD3QCW · pith_short_16: AFRUC4MD3QCWJAUG · pith_short_8: AFRUC4MD

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/AFRUC4MD3QCWJAUGGTT4UDLKNF \
  | 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: 0163417183dc0564828634e7ca0d6a697039f5be518d576ff792a22b3c4d35d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f91ca40e51485ee9a863d8fe5879dd0d20d9c4445bf1af4145eeab0dcead902",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-12-11T19:22:27Z",
    "title_canon_sha256": "eb39c7a95748d63127d48ab2738f203601b51984c0a5a38b42e41a18b3ea2c98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9712158",
    "kind": "arxiv",
    "version": 3
  }
}