Pith Number

pith:NCPMPL4H

pith:2004:NCPMPL4HRC2O23ADUH2PKIY2XD

not attested not anchored not stored refs pending

A Virgo high-resolution Halpha kinematical survey

A. Boselli, B. Vollmer, C. Adami, C. Balkowski, C. Carignan, J. Boulesteix, L. Chemin, M. Marcelin, O. Garrido, O. Hernandez, P. Amram, V. Cayatte

arxiv:astro-ph/0410308 v1 · 2004-10-12 · 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{NCPMPL4HRC2O23ADUH2PKIY2XD}

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	2026-07-04T14:13:49.419128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

689ec7af8788b4ed6c03a1f4f5231ab8de56fa124fb45b8d64d0070ab8c122dd

Aliases

arxiv: astro-ph/0410308 · arxiv_version: astro-ph/0410308v1 · doi: 10.48550/arxiv.astro-ph/0410308 · pith_short_12: NCPMPL4HRC2O · pith_short_16: NCPMPL4HRC2O23AD · pith_short_8: NCPMPL4H

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/NCPMPL4HRC2O23ADUH2PKIY2XD \
  | 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: 689ec7af8788b4ed6c03a1f4f5231ab8de56fa124fb45b8d64d0070ab8c122dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2db62855a7880874c4e2b735ef4498d4d754311df73ac4e3c437c6a22f70be2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-12T19:48:21Z",
    "title_canon_sha256": "9cac8aa2002f84b866036a114ef4f3d2ac1ea664a299a96a4dc3c8cc37164e84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410308",
    "kind": "arxiv",
    "version": 1
  }
}