Pith Number

pith:HK7XCAVO

pith:2004:HK7XCAVOTC5HFQR33G5RP5VRQD

not attested not anchored not stored refs pending

Flickering variability of T Coronae Borealis

J. Marti, M. F. Bode, R. Zamanov, V. Stanishev

arxiv:astro-ph/0402465 v1 · 2004-02-19 · 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{HK7XCAVOTC5HFQR33G5RP5VRQD}

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	2026-07-04T16:43:04.596117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3abf7102ae98ba72c23bd9bb17f6b180f2b2d3f86320a43b752c36511c4568bc

Aliases

arxiv: astro-ph/0402465 · arxiv_version: astro-ph/0402465v1 · doi: 10.48550/arxiv.astro-ph/0402465 · pith_short_12: HK7XCAVOTC5H · pith_short_16: HK7XCAVOTC5HFQR3 · pith_short_8: HK7XCAVO

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/HK7XCAVOTC5HFQR33G5RP5VRQD \
  | 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: 3abf7102ae98ba72c23bd9bb17f6b180f2b2d3f86320a43b752c36511c4568bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "039df7c1bcd6926ef010c6651458c11653bfc9d3822086911445043680ab3194",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-19T17:45:37Z",
    "title_canon_sha256": "5294d62c3c6cdaab8212c72038c30dcd84df4e8860093b62f880fb528970ab06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402465",
    "kind": "arxiv",
    "version": 1
  }
}