Pith Number

pith:44V2UGWC

pith:2014:44V2UGWCWJ2RJ225HZIELQNV5W

not attested not anchored not stored refs pending

Environment Dependence of Disk Morphology of Spiral Galaxies

H. B. Ann

arxiv:1402.4908 v1 · 2014-02-20 · 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{44V2UGWCWJ2RJ225HZIELQNV5W}

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	2026-05-18T00:52:42.138634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e72baa1ac2b27514eb5d3e5045c1b5ed90564b5942a47b85b51f6a8a54360d82

Aliases

arxiv: 1402.4908 · arxiv_version: 1402.4908v1 · doi: 10.48550/arxiv.1402.4908 · pith_short_12: 44V2UGWCWJ2R · pith_short_16: 44V2UGWCWJ2RJ225 · pith_short_8: 44V2UGWC

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/44V2UGWCWJ2RJ225HZIELQNV5W \
  | 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: e72baa1ac2b27514eb5d3e5045c1b5ed90564b5942a47b85b51f6a8a54360d82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31456299703978c6ddfe33d711bd4a1662e9d7e460640018336c2860abc74bb5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-20T06:33:24Z",
    "title_canon_sha256": "16bcadbfbf29f085e0ba1aa7c94735f204b4391b32bf13e6b1e0d493883c5249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4908",
    "kind": "arxiv",
    "version": 1
  }
}