Pith Number

pith:SCDR556T

pith:2001:SCDR556TK3NYCQHE2ENDGONKT5

not attested not anchored not stored refs pending

The Formation of Molecular Clouds

J. E. Pringle, Ronald J. Allen, S. H. Lubow

arxiv:astro-ph/0106420 v1 · 2001-06-22 · 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{SCDR556TK3NYCQHE2ENDGONKT5}

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	2026-05-18T04:18:14.675830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90871ef7d356db8140e4d11a3339aa9f4ca45093495dbc749706394f6fe56df6

Aliases

arxiv: astro-ph/0106420 · arxiv_version: astro-ph/0106420v1 · doi: 10.48550/arxiv.astro-ph/0106420 · pith_short_12: SCDR556TK3NY · pith_short_16: SCDR556TK3NYCQHE · pith_short_8: SCDR556T

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/SCDR556TK3NYCQHE2ENDGONKT5 \
  | 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: 90871ef7d356db8140e4d11a3339aa9f4ca45093495dbc749706394f6fe56df6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3299c09a68952b660f8921677b89b8499143e655ce0e7b34b577762772ca44d2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-06-22T17:51:45Z",
    "title_canon_sha256": "b6908680b778e1933862eab9123e6a0ca125549a2861a94badd0001bb410660f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106420",
    "kind": "arxiv",
    "version": 1
  }
}