Pith Number

pith:B5KRPHZ2

pith:2008:B5KRPHZ23RNJGUJ63PIPKY2CSG

not attested not anchored not stored refs pending

GHASP : An Halpha kinematic survey of 203 spiral and irregular galaxies - VII. Revisiting the analysis of Halpha data cubes for 97 galaxies

B. Epinat, M. Marcelin, P. Amram

arxiv:0808.0132 v1 · 2008-08-01 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B5KRPHZ23RNJGUJ63PIPKY2CSG}

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	2026-07-04T17:12:05.295228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f55179f3adc5a93513edbd0f5634291940eadfe7d09719fc4a26abba5df9c83

Aliases

arxiv: 0808.0132 · arxiv_version: 0808.0132v1 · doi: 10.48550/arxiv.0808.0132 · pith_short_12: B5KRPHZ23RNJ · pith_short_16: B5KRPHZ23RNJGUJ6 · pith_short_8: B5KRPHZ2

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/B5KRPHZ23RNJGUJ63PIPKY2CSG \
  | 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: 0f55179f3adc5a93513edbd0f5634291940eadfe7d09719fc4a26abba5df9c83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6a7b84d68abc2f7da64b71e6a53e93ccf5f5a684adc30d53a7c76fea23b57db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-01T15:04:33Z",
    "title_canon_sha256": "18db0c1b38b490ebe5ca499a2c9dfd019c5da46d94e1ba049693ce4a6e5deba9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.0132",
    "kind": "arxiv",
    "version": 1
  }
}