Pith Number

pith:VDSFKNJY

pith:2005:VDSFKNJYAPC75HBRQND6OLFWUH

not attested not anchored not stored refs pending

Harmonic analysis of the Ha velocity field of NGC 4254

Chantal Balkowski, Claude Carignan, Laurent Chemin, Olivier Hernandez, Philippe Amram

arxiv:astro-ph/0512514 v1 · 2005-12-20 · 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{VDSFKNJYAPC75HBRQND6OLFWUH}

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	2026-07-04T14:51:28.301101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8e455353803c5fe9c318347e72cb6a1ed5c308ce50aa07e16647bf703571783

Aliases

arxiv: astro-ph/0512514 · arxiv_version: astro-ph/0512514v1 · doi: 10.48550/arxiv.astro-ph/0512514 · pith_short_12: VDSFKNJYAPC7 · pith_short_16: VDSFKNJYAPC75HBR · pith_short_8: VDSFKNJY

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/VDSFKNJYAPC75HBRQND6OLFWUH \
  | 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: a8e455353803c5fe9c318347e72cb6a1ed5c308ce50aa07e16647bf703571783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01338ff804e7fb3cf0a71b092513a585af1d063607817128b049ac384b82a63a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-20T21:00:53Z",
    "title_canon_sha256": "cf34356b1187426a0e967a46881addc5449c305edbadd77225deb314a90ba8d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512514",
    "kind": "arxiv",
    "version": 1
  }
}