Pith Number

pith:FJB2C27M

pith:2011:FJB2C27MIG6VST7Y6KENF3O2Q6

not attested not anchored not stored refs pending

Resonant structure in the disks of spiral galaxies, using phase-reversals in streaming motions from 2D H{\alpha} Fabry-Perot spectroscopy

Beno\^it Epinat, Joan Font, John E. Beckman, Kambiz Fathi, Leonel Guti\'errez, Olivier Hernandez

arxiv:1109.5574 v1 · 2011-09-26 · 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{FJB2C27MIG6VST7Y6KENF3O2Q6}

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	2026-05-18T02:00:23.524872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a43a16bec41bd594ff8f288d2edda879f3f0faad7ea852d39f4cf628c3e3731

Aliases

arxiv: 1109.5574 · arxiv_version: 1109.5574v1 · doi: 10.48550/arxiv.1109.5574 · pith_short_12: FJB2C27MIG6V · pith_short_16: FJB2C27MIG6VST7Y · pith_short_8: FJB2C27M

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/FJB2C27MIG6VST7Y6KENF3O2Q6 \
  | 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: 2a43a16bec41bd594ff8f288d2edda879f3f0faad7ea852d39f4cf628c3e3731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9053b54564eff5c37550e3289df66387b224ff4a1927b4030f81859abf02e6c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-26T14:01:58Z",
    "title_canon_sha256": "c4af15e6bff50b555def31d8e1928d0870429de3e4ce18f39dcf3cfbab4787d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5574",
    "kind": "arxiv",
    "version": 1
  }
}