Pith Number

pith:CSF7ZX4D

pith:2007:CSF7ZX4DIWA52TBPI23Y6P2PYK

not attested not anchored not stored refs pending

An HI survey of six Local Group analogs: I. Survey description and the search for high-velocity clouds

B.K. Gibson, D.G. Barnes, D.J. Pisano, K. Freeman, L. Staveley-Smith, V.A. Kilborn

arxiv:astro-ph/0703279 v1 · 2007-03-12 · 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{CSF7ZX4DIWA52TBPI23Y6P2PYK}

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	2026-05-18T04:29:05.741613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

148bfcdf834581dd4c2f46b78f3f4fc2b772495d4dd9c78d38da0362e2d57767

Aliases

arxiv: astro-ph/0703279 · arxiv_version: astro-ph/0703279v1 · doi: 10.48550/arxiv.astro-ph/0703279 · pith_short_12: CSF7ZX4DIWA5 · pith_short_16: CSF7ZX4DIWA52TBP · pith_short_8: CSF7ZX4D

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/CSF7ZX4DIWA52TBPI23Y6P2PYK \
  | 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: 148bfcdf834581dd4c2f46b78f3f4fc2b772495d4dd9c78d38da0362e2d57767

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6889fff8e982af1fee5c3523567433ee7cef6633bcac164c139309ab4cf0e53f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-12T18:03:53Z",
    "title_canon_sha256": "c41d6c8663b29e4b54d9e2fed4298c755fcdc5d767b1fcd7dc14f94d2215554d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703279",
    "kind": "arxiv",
    "version": 1
  }
}