Pith Number

pith:YDZSUZZ4

pith:2005:YDZSUZZ4RP5CEJB4XXNHEHAKMU

not attested not anchored not stored refs pending

The initial conditions of isolated star formation - VI. SCUBA mapping of prestellar cores

D. Ward-Thompson, J. M. Kirk, P. Andr\'e

arxiv:astro-ph/0505190 v1 · 2005-05-10 · 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{YDZSUZZ4RP5CEJB4XXNHEHAKMU}

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	2026-07-04T16:52:20.918804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0f32a673c8bfa22243cbdda721c0a6513cd30cc1fbc8675af6474f96e194093

Aliases

arxiv: astro-ph/0505190 · arxiv_version: astro-ph/0505190v1 · doi: 10.48550/arxiv.astro-ph/0505190 · pith_short_12: YDZSUZZ4RP5C · pith_short_16: YDZSUZZ4RP5CEJB4 · pith_short_8: YDZSUZZ4

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/YDZSUZZ4RP5CEJB4XXNHEHAKMU \
  | 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: c0f32a673c8bfa22243cbdda721c0a6513cd30cc1fbc8675af6474f96e194093

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ff585c01bb86f8d91dc7e4f1c4b1c1cbde740233c97b331313cbbae8b2beba4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-05-10T12:58:29Z",
    "title_canon_sha256": "8a5090a3d14cc6f8bf0e27dc45001077d0576b304be5c0c0a5b1d79ade669225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0505190",
    "kind": "arxiv",
    "version": 1
  }
}