Pith Number

pith:YRZB74RV

pith:2003:YRZB74RVLVBBJRRTMS2BZJGDSY

not attested not anchored not stored refs pending

The WSRT wide-field HI survey: II. Local Group features

(2) Johns Hopkins Univ), David Thilker (2) ((1) ASTRON, Robert Braun (1)

arxiv:astro-ph/0312323 v1 · 2003-12-12 · 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{YRZB74RVLVBBJRRTMS2BZJGDSY}

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	2026-07-04T16:37:59.083430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4721ff2355d4214c63364b41ca4c39624012e082c7f8adcef7d623209b131e6

Aliases

arxiv: astro-ph/0312323 · arxiv_version: astro-ph/0312323v1 · doi: 10.48550/arxiv.astro-ph/0312323 · pith_short_12: YRZB74RVLVBB · pith_short_16: YRZB74RVLVBBJRRT · pith_short_8: YRZB74RV

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/YRZB74RVLVBBJRRTMS2BZJGDSY \
  | 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: c4721ff2355d4214c63364b41ca4c39624012e082c7f8adcef7d623209b131e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5040ea7235227a77d530f8f7a8003d7188a7dbd767968aa94421ea63b063c90",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-12-12T09:22:02Z",
    "title_canon_sha256": "29b49603aac2333f47b881bcbd4a33d3c32d75fbe5a06646cbae56a2f5bd44a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0312323",
    "kind": "arxiv",
    "version": 1
  }
}