Pith Number

pith:HJAESDPP

pith:1999:HJAESDPPOD24N25MO5VQ5XNTXZ

not attested not anchored not stored refs pending

The HI Parkes Zone of Avoidance Shallow Survey

E. M. Sadler, L. Staveley-Smith, P. A. Henning, R. C. Kraan-Korteweg

arxiv:astro-ph/9904024 v1 · 1999-04-02 · 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{HJAESDPPOD24N25MO5VQ5XNTXZ}

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	2026-05-18T01:40:13.276516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a40490def70f5c6ebac776b0eddb3be79d64f13ef7f519192f914fbd652e418

Aliases

arxiv: astro-ph/9904024 · arxiv_version: astro-ph/9904024v1 · doi: 10.48550/arxiv.astro-ph/9904024 · pith_short_12: HJAESDPPOD24 · pith_short_16: HJAESDPPOD24N25M · pith_short_8: HJAESDPP

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/HJAESDPPOD24N25MO5VQ5XNTXZ \
  | 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: 3a40490def70f5c6ebac776b0eddb3be79d64f13ef7f519192f914fbd652e418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e64997446e93f8af235e03800444012f9ed438ee9f4bc7021aebd6860f723ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-02T00:01:49Z",
    "title_canon_sha256": "9c5d61651b6a1bab564ed88a7e5fa336e1dc2704c9d708bceb20bc22745c89c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904024",
    "kind": "arxiv",
    "version": 1
  }
}