Pith Number

pith:3AH6Y5SO

pith:2012:3AH6Y5SOQERXTQB5KALM7DPRID

not attested not anchored not stored refs pending

Properties of Bulgeless Disk Galaxies II. Star Formation as a Function of Circular Velocity

2), (2) Ohio State University, (3) Universidad de Granada, 4), (4) University of Illinois, (5) European Space Agency, (6) MPIA), Eva Schinnerer (6) ((1) Harvard-Smithsonian CfA, Linda C. Watson (1, Man-Hong Wong (2, Paul Martini (2), Torsten Boeker (5), Ute Lisenfeld (3)

arxiv:1204.1555 v1 · 2012-04-06 · 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{3AH6Y5SOQERXTQB5KALM7DPRID}

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	2026-05-18T01:57:56.037361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d80fec764e812379c03d5016cf8df140dc644d0fb05402e5aab2d54eb131a07f

Aliases

arxiv: 1204.1555 · arxiv_version: 1204.1555v1 · doi: 10.48550/arxiv.1204.1555 · pith_short_12: 3AH6Y5SOQERX · pith_short_16: 3AH6Y5SOQERXTQB5 · pith_short_8: 3AH6Y5SO

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/3AH6Y5SOQERXTQB5KALM7DPRID \
  | 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: d80fec764e812379c03d5016cf8df140dc644d0fb05402e5aab2d54eb131a07f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df513edd16d58aa1cfa3390f5050cb92dd9261abe850f31c09ff37f29c75f38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-06T20:00:02Z",
    "title_canon_sha256": "d110ec15866b0ae4f540df3dd7fdbae30ebb6d2b624044c4ba994a3351a20f7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1555",
    "kind": "arxiv",
    "version": 1
  }
}