Pith Number

pith:HAR37LU7

pith:2007:HAR37LU7X4UPWJOK4IOA3IWRIG

not attested not anchored not stored refs pending

Structure and evolution of star-forming gas in late-type spiral galaxies

Almudena Zurita, Claude Carignan, Goran Ostlin, Johan H. Knapen, John E. Beckman, Kambiz Fathi, Laurent Chemin, Monica Relano, Olivier Daigle, Olivier Hernandez

arxiv:astro-ph/0701579 v1 · 2007-01-19 · 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{HAR37LU7X4UPWJOK4IOA3IWRIG}

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	2026-07-04T17:07:26.825902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3823bfae9fbf28fb25cae21c0da2d141b58957482f72e5cf54db0c9d712d5da9

Aliases

arxiv: astro-ph/0701579 · arxiv_version: astro-ph/0701579v1 · doi: 10.48550/arxiv.astro-ph/0701579 · pith_short_12: HAR37LU7X4UP · pith_short_16: HAR37LU7X4UPWJOK · pith_short_8: HAR37LU7

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/HAR37LU7X4UPWJOK4IOA3IWRIG \
  | 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: 3823bfae9fbf28fb25cae21c0da2d141b58957482f72e5cf54db0c9d712d5da9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3538a2a5f575071513f893d12a38a1df3f82265e1e9df417649e668de3ee0821",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-19T21:11:24Z",
    "title_canon_sha256": "80df196a9a2a8ba9404083be01270673f35437233f504ab3e5b43a2e63de392e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701579",
    "kind": "arxiv",
    "version": 1
  }
}