Pith Number

pith:QF5LCK5L

pith:2002:QF5LCK5LBTL2TJLFLP6E6UVDCE

not attested not anchored not stored refs pending

The Large Scale Distribution of Neutral Hydrogen in the Fornax Region

B. K. Gibson, B. Koribalski, D. G. Barnes, E. M. Sadler, F. Stootman, H. Jerjen, K. C. Freeman, L. Staveley-Smith, M. A. Zwaan, M. E. Putman, Meryl Waugh, M. J. Disney, M. J. Drinkwater, M. Marquarding, P. A. Henning, P. J. Boyce, P. M. Knezek, R. Bhathal, R. D. Ekers, R. F. Minchin, R. L. Webster, R. M. Price, S. D. Ryder, V. A. Kilborn, W. J. G. de Blok

arxiv:astro-ph/0210170 v1 · 2002-10-08 · 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{QF5LCK5LBTL2TJLFLP6E6UVDCE}

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	2026-07-04T16:30:55.496378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

817ab12bab0cd7a9a5655bfc4f52a31117bc710f1b71247b6089080aff670d91

Aliases

arxiv: astro-ph/0210170 · arxiv_version: astro-ph/0210170v1 · doi: 10.48550/arxiv.astro-ph/0210170 · pith_short_12: QF5LCK5LBTL2 · pith_short_16: QF5LCK5LBTL2TJLF · pith_short_8: QF5LCK5L

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/QF5LCK5LBTL2TJLFLP6E6UVDCE \
  | 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: 817ab12bab0cd7a9a5655bfc4f52a31117bc710f1b71247b6089080aff670d91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d5c0b120742aa4b84e10b6c57a1966e82f179c1f3127e120b041858ef5e0660",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-08T08:12:22Z",
    "title_canon_sha256": "2815996056ff9f5ed8cdc4394e2c6a81135b4ecf78917f84bb9a3774ac357de5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210170",
    "kind": "arxiv",
    "version": 1
  }
}