Pith Number

pith:RHW4TINF

pith:2013:RHW4TINFCHGU3H67V7QSYNPSAT

not attested not anchored not stored refs pending

Bar pattern speed and position of the circumnuclear ring in NGC 1097

C. Carignan, G. van de Ven, J. Font, K. Fathi, N. Pi\~nol-Ferrer, O. Hernandez, R. Karlsson

arxiv:1311.2953 v1 · 2013-11-12 · 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{RHW4TINFCHGU3H67V7QSYNPSAT}

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	2026-05-18T01:46:31.769224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89edc9a1a511cd4d9fdfafe12c35f204ef01761d96d226ae124646d5908f9368

Aliases

arxiv: 1311.2953 · arxiv_version: 1311.2953v1 · doi: 10.48550/arxiv.1311.2953 · pith_short_12: RHW4TINFCHGU · pith_short_16: RHW4TINFCHGU3H67 · pith_short_8: RHW4TINF

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/RHW4TINFCHGU3H67V7QSYNPSAT \
  | 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: 89edc9a1a511cd4d9fdfafe12c35f204ef01761d96d226ae124646d5908f9368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8d6494ac70c4af2ee348e4ccc33c16e576ea32642502e5eea4574050db36cb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-11-12T21:11:04Z",
    "title_canon_sha256": "cf1e3e9b4eab47d09dd20001d65af3980e869d031365aa45ca0fa594a9cddfec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2953",
    "kind": "arxiv",
    "version": 1
  }
}