Pith Number

pith:TQ4TYEG6

pith:2010:TQ4TYEG6SEXY3CJUGYS7DWQCEK

not attested not anchored not stored refs pending

Synthetic HI observations of a simulated spiral galaxy

Christopher M. Brunt, Clare L. Dobbs, David M. Acreman, Kevin A. Douglas

arxiv:1004.3204 v1 · 2010-04-19 · 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{TQ4TYEG6SEXY3CJUGYS7DWQCEK}

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	2026-05-18T02:07:56.788109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c393c10de912f8d89343625f1da022284288da113ba0a91034e4951ce1806c6

Aliases

arxiv: 1004.3204 · arxiv_version: 1004.3204v1 · doi: 10.48550/arxiv.1004.3204 · pith_short_12: TQ4TYEG6SEXY · pith_short_16: TQ4TYEG6SEXY3CJU · pith_short_8: TQ4TYEG6

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/TQ4TYEG6SEXY3CJUGYS7DWQCEK \
  | 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: 9c393c10de912f8d89343625f1da022284288da113ba0a91034e4951ce1806c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7be3897d7c8bb620177ece41cf27084420e85eb42e5dcc04aaf9a267f58bfc3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-04-19T14:18:53Z",
    "title_canon_sha256": "3e5abc2f4d1caa8e722e1d23ee9b3de7d2389a5defc5f9bd6aa7f42f9f1ca6fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3204",
    "kind": "arxiv",
    "version": 1
  }
}