Pith Number

pith:II3C7D3M

pith:2010:II3C7D3MNXCLM3AO7ICF3CEBWB

not attested not anchored not stored refs pending

Outer Spiral Disks as Clues to Galaxy Formation and Evolution

Marija Vlaji\'c (AIP)

arxiv:1003.2565 v1 · 2010-03-12 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{II3C7D3MNXCLM3AO7ICF3CEBWB}

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	2026-05-18T02:08:34.457996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42362f8f6c6dc4b66c0efa045d8881b04f0a2c883450ce719ad7e2b2cb4684d4

Aliases

arxiv: 1003.2565 · arxiv_version: 1003.2565v1 · doi: 10.48550/arxiv.1003.2565 · pith_short_12: II3C7D3MNXCL · pith_short_16: II3C7D3MNXCLM3AO · pith_short_8: II3C7D3M

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/II3C7D3MNXCLM3AO7ICF3CEBWB \
  | 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: 42362f8f6c6dc4b66c0efa045d8881b04f0a2c883450ce719ad7e2b2cb4684d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c68c2637eb33465e4b46d3623f404b5809a0542b0fc26d080ffbfc1f4d4f9a0b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-12T15:55:54Z",
    "title_canon_sha256": "e8f741124e6fa8e6af93d9b756ee4e4989543a211d55327c85834ee2caec3534"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2565",
    "kind": "arxiv",
    "version": 1
  }
}