Pith Number

pith:TZVGV22D

pith:2001:TZVGV22D7GE6GYKQMKHRY2JLFW

not attested not anchored not stored refs pending

UV (IUE) spectra of the central stars of high latitude planetary nebulae Hb7 and Sp3

Geetanjali Gauba, M. Parthasarathy, T.Fujii, Y.Nakada

arxiv:astro-ph/0105287 v1 · 2001-05-16 · 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{TZVGV22D7GE6GYKQMKHRY2JLFW}

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	2026-07-04T16:23:24.323142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e6a6aeb43f989e36150628f1c692b2dab246271c2103e5ae17dab59e0118b93

Aliases

arxiv: astro-ph/0105287 · arxiv_version: astro-ph/0105287v1 · doi: 10.48550/arxiv.astro-ph/0105287 · pith_short_12: TZVGV22D7GE6 · pith_short_16: TZVGV22D7GE6GYKQ · pith_short_8: TZVGV22D

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/TZVGV22D7GE6GYKQMKHRY2JLFW \
  | 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: 9e6a6aeb43f989e36150628f1c692b2dab246271c2103e5ae17dab59e0118b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d061cfa9d51f2dc5400c0dcb01b38653a5ef6dcb2b8c37c2b91782291f75e4a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-05-16T22:24:29Z",
    "title_canon_sha256": "63ef8d683ed1b185755665cc2fea84e1ce38244c319f3767cdc862c75c8a734b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0105287",
    "kind": "arxiv",
    "version": 1
  }
}