Pith Number

pith:EAS64CE2

pith:2014:EAS64CE2YZZMLGLAVX64DMSPTI

not attested not anchored not stored refs pending

A novel method to bracket the corotation radius in galaxy disks: vertex deviation maps

B\'arbara Pichardo, Francesca Figueras, Merc\`e Romero-G\'omez, Octavio Valenzuela, Santi Roca-F\`abrega, Teresa Antoja

arxiv:1401.4191 v2 · 2014-01-16 · astro-ph.GA · 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{EAS64CE2YZZMLGLAVX64DMSPTI}

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	2026-05-18T01:15:39.192193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2025ee089ac672c59960adfdc1b24f9a3bf0a3d4a4782805289404cd634317da

Aliases

arxiv: 1401.4191 · arxiv_version: 1401.4191v2 · doi: 10.48550/arxiv.1401.4191 · pith_short_12: EAS64CE2YZZM · pith_short_16: EAS64CE2YZZMLGLA · pith_short_8: EAS64CE2

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/EAS64CE2YZZMLGLAVX64DMSPTI \
  | 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: 2025ee089ac672c59960adfdc1b24f9a3bf0a3d4a4782805289404cd634317da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7d1c48278e61648bc66fcebd7a34e45d354ac6277380f0703ae6ae402984eba",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-16T22:16:56Z",
    "title_canon_sha256": "7958f0bcc5b134ca7a82aa21e1d7932f0dcfc1eb6836d6fbb794790bd151fee7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4191",
    "kind": "arxiv",
    "version": 2
  }
}