Pith Number

pith:GAGW4ZUS

pith:2010:GAGW4ZUSGRL572473QXM6EGQFB

not attested not anchored not stored refs pending

On the Nature of Star Formation at Large Galactic Radii

E. V. Ryan-Weber, Q. E. Goddard, R. C. Kennicutt

arxiv:1003.2520 v1 · 2010-03-12 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAGW4ZUSGRL572473QXM6EGQFB}

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	2026-05-18T02:08:34.595918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

300d6e66923457dfeb9fdc2ecf10d02876c50bfff2c1d879e9afb85cce606fe2

Aliases

arxiv: 1003.2520 · arxiv_version: 1003.2520v1 · doi: 10.48550/arxiv.1003.2520 · pith_short_12: GAGW4ZUSGRL5 · pith_short_16: GAGW4ZUSGRL57247 · pith_short_8: GAGW4ZUS

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/GAGW4ZUSGRL572473QXM6EGQFB \
  | 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: 300d6e66923457dfeb9fdc2ecf10d02876c50bfff2c1d879e9afb85cce606fe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0e7713a8ef2de90168a9806992511342724738a8b4bdfaff42bc5f260179c3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-12T11:25:05Z",
    "title_canon_sha256": "74851206f151b22209596f311e80565422a221f2da267c67787a0e3b5e5981e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2520",
    "kind": "arxiv",
    "version": 1
  }
}