Pith Number

pith:4FMLWMTE

pith:2004:4FMLWMTECKUGAFV7IIZKQHVFRW

not attested not anchored not stored refs pending

First Results from THINGS: The HI Nearby Galaxy Survey

E. Brinks (INAOE), F. Walter (NRAO), Jr. (Steward), M.D. Thornley (Bucknell), R.C. Kennicutt, W.J.G. de Blok (Cardiff)

arxiv:astro-ph/0407103 v1 · 2004-07-06 · 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{4FMLWMTECKUGAFV7IIZKQHVFRW}

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	2026-05-18T03:47:43.670885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e158bb326412a86016bf4232a81ea58d9bed043289bd8dd051259c38f5d10530

Aliases

arxiv: astro-ph/0407103 · arxiv_version: astro-ph/0407103v1 · doi: 10.48550/arxiv.astro-ph/0407103 · pith_short_12: 4FMLWMTECKUG · pith_short_16: 4FMLWMTECKUGAFV7 · pith_short_8: 4FMLWMTE

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/4FMLWMTECKUGAFV7IIZKQHVFRW \
  | 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: e158bb326412a86016bf4232a81ea58d9bed043289bd8dd051259c38f5d10530

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f05c7b582bd06011463e82dfdfaefbaf1f0e9ed86ed0859494244f29e2758fbd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-06T09:08:16Z",
    "title_canon_sha256": "00148413fa6977ff92ad1c7d84a561e36bf363d49acc5409e3e0ffc79e5b1269"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407103",
    "kind": "arxiv",
    "version": 1
  }
}