Pith Number

pith:M4CJSYN5

pith:2006:M4CJSYN5SCN4UNGGIW2VDMXINW

not attested not anchored not stored refs pending

Neutral Hydrogen Clouds near Early-Type Dwarf Galaxies of the Local Group

A. Bouchard, C. Carignan, L. Staveley-Smith

arxiv:astro-ph/0602571 v1 · 2006-02-27 · 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{M4CJSYN5SCN4UNGGIW2VDMXINW}

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	2026-07-04T15:25:44.082279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67049961bd909bca34c645b551b2e86d95de30f0239406539c4df800e6ab7c23

Aliases

arxiv: astro-ph/0602571 · arxiv_version: astro-ph/0602571v1 · doi: 10.48550/arxiv.astro-ph/0602571 · pith_short_12: M4CJSYN5SCN4 · pith_short_16: M4CJSYN5SCN4UNGG · pith_short_8: M4CJSYN5

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/M4CJSYN5SCN4UNGGIW2VDMXINW \
  | 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: 67049961bd909bca34c645b551b2e86d95de30f0239406539c4df800e6ab7c23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b25a665d4160fa1cb3ddb669dfa6692b0d703d4c06287c913609b762accf8c75",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-27T00:49:27Z",
    "title_canon_sha256": "1377f0d30fdce97991dde5149611eccf6be34f0afec4c6a189a83e42b2fe75a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602571",
    "kind": "arxiv",
    "version": 1
  }
}