Pith Number

pith:NYIFTE2F

pith:2014:NYIFTE2FDL7J5TBMD2LCGP66OF

not attested not anchored not stored refs pending

Scalable Automated Detection of Spiral Galaxy Arm Segments

Darren R. Davis, Wayne B. Hayes

arxiv:1402.1910 v1 · 2014-02-09 · 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{NYIFTE2FDL7J5TBMD2LCGP66OF}

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	2026-05-18T01:44:46.117226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e105993451afe9ecc2c1e96233fde717347316e59235c237d74e9f29dd8cfe5

Aliases

arxiv: 1402.1910 · arxiv_version: 1402.1910v1 · doi: 10.48550/arxiv.1402.1910 · pith_short_12: NYIFTE2FDL7J · pith_short_16: NYIFTE2FDL7J5TBM · pith_short_8: NYIFTE2F

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/NYIFTE2FDL7J5TBMD2LCGP66OF \
  | 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: 6e105993451afe9ecc2c1e96233fde717347316e59235c237d74e9f29dd8cfe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53444a18ea09c4ef68a84a6b90b2eeee156780af3845b3078b4dc2b165143325",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-09T03:20:11Z",
    "title_canon_sha256": "e3670ead03be4c57c37a060d0a9a9387b0dc331f6a89385a252d5d04ca4dcba6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1910",
    "kind": "arxiv",
    "version": 1
  }
}