Pith Number

pith:3OX6UTFA

pith:2019:3OX6UTFACKWSR5SV6JB5OVTGWP

not attested not anchored not stored refs pending

The HI mass function in the Parkes HI Zone of Avoidance survey

Khaled Said, Lister Staveley-Smith, Ren\'ee C. Kraan-Korteweg

arxiv:1904.01581 v1 · 2019-04-02 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OX6UTFACKWSR5SV6JB5OVTGWP}

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	2026-05-17T23:48:29.623425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbafea4ca012ad28f655f243d75666b3eeabf268b1ff99493f2698cfefb8b7f2

Aliases

arxiv: 1904.01581 · arxiv_version: 1904.01581v1 · doi: 10.48550/arxiv.1904.01581 · pith_short_12: 3OX6UTFACKWS · pith_short_16: 3OX6UTFACKWSR5SV · pith_short_8: 3OX6UTFA

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/3OX6UTFACKWSR5SV6JB5OVTGWP \
  | 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: dbafea4ca012ad28f655f243d75666b3eeabf268b1ff99493f2698cfefb8b7f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad8f5021d6ad0533a0f3e1bb092faf439ea710971c97ed7e9dc7385df79a469",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-02T18:00:00Z",
    "title_canon_sha256": "8bf87cf3143069a4fb5f3445976cfa956f50cf55b4d944baba0a063095044229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01581",
    "kind": "arxiv",
    "version": 1
  }
}