Pith Number

pith:CHUZ4TQI

pith:2007:CHUZ4TQIWCIU3T6UXNXI2J747L

not attested not anchored not stored refs pending

Discovery of a bright eclipsing cataclysmic variable

D. K. Sing, E. M. Green, G. D. Schmidt, J. B. Holberg, J. S. Shaw, M. Lopez-Morales, S. B. Howell

arxiv:0708.0725 v1 · 2007-08-06 · 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{CHUZ4TQIWCIU3T6UXNXI2J747L}

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	2026-07-04T17:05:03.556119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11e99e4e08b0914dcfd4bb6e8d27fcfae2c3fa37dcb946bdc5b141f91ed1876b

Aliases

arxiv: 0708.0725 · arxiv_version: 0708.0725v1 · doi: 10.48550/arxiv.0708.0725 · pith_short_12: CHUZ4TQIWCIU · pith_short_16: CHUZ4TQIWCIU3T6U · pith_short_8: CHUZ4TQI

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/CHUZ4TQIWCIU3T6UXNXI2J747L \
  | 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: 11e99e4e08b0914dcfd4bb6e8d27fcfae2c3fa37dcb946bdc5b141f91ed1876b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8efde5195f2e48319ed2e00213c6251fabc36d4c76add2e4f3ec12489441aa11",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-06T08:48:14Z",
    "title_canon_sha256": "c266b6cc3a228a1ba42e8d64fc56a5fef32184ec054a73da4e734dd29f4ddc61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0725",
    "kind": "arxiv",
    "version": 1
  }
}