Pith Number

pith:PHKVH2GL

pith:2012:PHKVH2GLGNZBLLDON23WTGKTXW

not attested not anchored not stored refs pending

A blind HI survey in the Ursa Major region

B. S. Koribalski, C. A. Jordan, K. Wolfinger, M. J. Disney, P. J. Boyce, R. F. Minchin, R. H. Lang, V. A. Kilborn

arxiv:1210.2727 v1 · 2012-10-09 · 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{PHKVH2GLGNZBLLDON23WTGKTXW}

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	2026-05-18T01:54:03.854102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79d553e8cb337215ac6e6eb7699953bd8f6924c8cb2d3e9091ea8f75e84f9f16

Aliases

arxiv: 1210.2727 · arxiv_version: 1210.2727v1 · doi: 10.48550/arxiv.1210.2727 · pith_short_12: PHKVH2GLGNZB · pith_short_16: PHKVH2GLGNZBLLDO · pith_short_8: PHKVH2GL

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/PHKVH2GLGNZBLLDON23WTGKTXW \
  | 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: 79d553e8cb337215ac6e6eb7699953bd8f6924c8cb2d3e9091ea8f75e84f9f16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68c92cfb93fbf0652c1585210eea089140fe306432cf4cff71eae177f9025f0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-09T20:00:05Z",
    "title_canon_sha256": "4124b88f9236ef1d8ef64ef31580fa2643f3a6db84e551d5036808c8aa33be16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2727",
    "kind": "arxiv",
    "version": 1
  }
}