Pith Number

pith:AZQLGL5H

pith:2014:AZQLGL5H5ZWDP5WY5QCVUFRBJE

not attested not anchored not stored refs pending

The ratio of pattern speeds in double-barred galaxies

Beno\^it Epinat, Javier Zaragoza-Cardiel, Joan Font, John E. Beckman, Kambiz Fathi, Philippe Amram

arxiv:1408.4274 v1 · 2014-08-19 · 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{AZQLGL5H5ZWDP5WY5QCVUFRBJE}

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	2026-05-18T01:42:17.509154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0660b32fa7ee6c37f6d8ec055a16214927e5ccee891424d62e1e1ff7001c541d

Aliases

arxiv: 1408.4274 · arxiv_version: 1408.4274v1 · doi: 10.48550/arxiv.1408.4274 · pith_short_12: AZQLGL5H5ZWD · pith_short_16: AZQLGL5H5ZWDP5WY · pith_short_8: AZQLGL5H

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/AZQLGL5H5ZWDP5WY5QCVUFRBJE \
  | 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: 0660b32fa7ee6c37f6d8ec055a16214927e5ccee891424d62e1e1ff7001c541d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68114c295ed5382975defeffd877243caa589fd7b8c3e49f385778c0026b2c12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-19T10:03:41Z",
    "title_canon_sha256": "e31b1fb35c88a5ea212f39fed553eee3a9c674d3dd636d7f810c1235d7e9a4cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4274",
    "kind": "arxiv",
    "version": 1
  }
}