Pith Number

pith:DNOLPNDY

pith:2011:DNOLPNDYMTOFZA57OH6LNA5MWH

not attested not anchored not stored refs pending

Diffuse neutral hydrogen in the HI Parkes All Sky Survey

A. Popping, R. Braun

arxiv:1108.2364 v1 · 2011-08-11 · 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{DNOLPNDYMTOFZA57OH6LNA5MWH}

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	2026-05-18T02:00:55.330879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b5cb7b47864dc5c83bf71fcb683acb1fd1ba72b9de71a0cc83b7b19040f6fa5

Aliases

arxiv: 1108.2364 · arxiv_version: 1108.2364v1 · doi: 10.48550/arxiv.1108.2364 · pith_short_12: DNOLPNDYMTOF · pith_short_16: DNOLPNDYMTOFZA57 · pith_short_8: DNOLPNDY

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/DNOLPNDYMTOFZA57OH6LNA5MWH \
  | 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: 1b5cb7b47864dc5c83bf71fcb683acb1fd1ba72b9de71a0cc83b7b19040f6fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac2b4c8efd3754c52e63939e18de74d1083cb250944438c784be15192611c53b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-11T10:12:06Z",
    "title_canon_sha256": "392a02daacf2cc405b139cc61466c11e58ea4a05d724c38254fe2677eb78c00a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2364",
    "kind": "arxiv",
    "version": 1
  }
}