Pith Number

pith:EIYNI7A5

pith:2000:EIYNI7A5ZX552EVCQ6J7QJUILP

not attested not anchored not stored refs pending

The Wisconsin H-Alpha Mapper Northern Sky Survey

L. M. Haffner

arxiv:astro-ph/0010097 v1 · 2000-10-04 · 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{EIYNI7A5ZX552EVCQ6J7QJUILP}

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	2026-05-18T02:40:36.653880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2230d47c1dcdfbdd12a28793f826885bea72f34a86937272170ece6d132a7493

Aliases

arxiv: astro-ph/0010097 · arxiv_version: astro-ph/0010097v1 · doi: 10.48550/arxiv.astro-ph/0010097 · pith_short_12: EIYNI7A5ZX55 · pith_short_16: EIYNI7A5ZX552EVC · pith_short_8: EIYNI7A5

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/EIYNI7A5ZX552EVCQ6J7QJUILP \
  | 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: 2230d47c1dcdfbdd12a28793f826885bea72f34a86937272170ece6d132a7493

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ede7dd7a5be472a7e29f25bc91b36b424406785a489e09dd1675416ef89d6313",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-04T17:09:09Z",
    "title_canon_sha256": "9b9954b85f8881f9a26b34f8fdc462b799f933f5c9030ba2cc14bfee2aa33521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010097",
    "kind": "arxiv",
    "version": 1
  }
}