Pith Number

pith:EZUCH7SO

pith:2000:EZUCH7SOCT2WGYU6TS7PVHWBYY

not attested not anchored not stored refs pending

The 2000 outburst of the recurrent nova CI Aquilae: optical spectroscopy

G. Furesz, J.R. Thomson, K. Sziladi, L.L. Kiss, W. Ogloza

arxiv:astro-ph/0011270 v1 · 2000-11-14 · 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{EZUCH7SOCT2WGYU6TS7PVHWBYY}

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	2026-07-04T16:17:36.303784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

266823fe4e14f563629e9cbefa9ec1c607ea68b28f1ce18d2c4f04bcf7e4d409

Aliases

arxiv: astro-ph/0011270 · arxiv_version: astro-ph/0011270v1 · doi: 10.48550/arxiv.astro-ph/0011270 · pith_short_12: EZUCH7SOCT2W · pith_short_16: EZUCH7SOCT2WGYU6 · pith_short_8: EZUCH7SO

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/EZUCH7SOCT2WGYU6TS7PVHWBYY \
  | 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: 266823fe4e14f563629e9cbefa9ec1c607ea68b28f1ce18d2c4f04bcf7e4d409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "500758494d7ec562746d91808958a8a20425efc50670e2dec455bc4027ceba44",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-14T14:15:01Z",
    "title_canon_sha256": "f62746525c6573e48223c05d5528774e51b1ece8c16a9cb29c52fbfb13f83914"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011270",
    "kind": "arxiv",
    "version": 1
  }
}