Pith Number

pith:VWIVSBAQ

pith:1997:VWIVSBAQECKO5ZD4LJP7CRTQNS

not attested not anchored not stored refs pending

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G.V. Bicknell, M.A. Dopita, R.S. Sutherland, Z. Tsvetanov

arxiv:astro-ph/9709037 v1 · 1997-09-04 · 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{VWIVSBAQECKO5ZD4LJP7CRTQNS}

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	2026-05-18T01:07:38.128513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad915904102094eee47c5a5ff146706cbf61f881e4fa87d2c8fdd66a7b60a00a

Aliases

arxiv: astro-ph/9709037 · arxiv_version: astro-ph/9709037v1 · doi: 10.48550/arxiv.astro-ph/9709037 · pith_short_12: VWIVSBAQECKO · pith_short_16: VWIVSBAQECKO5ZD4 · pith_short_8: VWIVSBAQ

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/VWIVSBAQECKO5ZD4LJP7CRTQNS \
  | 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: ad915904102094eee47c5a5ff146706cbf61f881e4fa87d2c8fdd66a7b60a00a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45537a4669d982904b9ea62e1f6a1a68754d52e0e9e1a19cc4e220b7a7729a12",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-09-04T08:19:01Z",
    "title_canon_sha256": "a7417f4ec0992a1e59825e5da28256b239f1f5d046a062866f2ee711519ff3dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709037",
    "kind": "arxiv",
    "version": 1
  }
}