Pith Number

pith:734XXKPH

pith:1997:734XXKPHOAM7CBJM5R2I5YBK5B

not attested not anchored not stored refs pending

Spiral structure in the accretion disc of the binary IP Pegasi

D. Steeghs, E.T. Harlaftis, Keith Horne

arxiv:astro-ph/9708005 v1 · 1997-08-01 · 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{734XXKPHOAM7CBJM5R2I5YBK5B}

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	2026-05-18T01:22:58.689285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fef97ba9e77019f1052cec748ee02ae846c1ccef9ab797ffaa7e5e44d22abb14

Aliases

arxiv: astro-ph/9708005 · arxiv_version: astro-ph/9708005v1 · doi: 10.48550/arxiv.astro-ph/9708005 · pith_short_12: 734XXKPHOAM7 · pith_short_16: 734XXKPHOAM7CBJM · pith_short_8: 734XXKPH

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/734XXKPHOAM7CBJM5R2I5YBK5B \
  | 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: fef97ba9e77019f1052cec748ee02ae846c1ccef9ab797ffaa7e5e44d22abb14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f76514bf1c3d02d28bc15a52f0619ecc130a6fcafa8fbefcf089bfcc285974c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-01T15:16:26Z",
    "title_canon_sha256": "c29031c92afaff27b049e179fcfa9029ad68235311e3715f6210b7bf7cf2c4d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708005",
    "kind": "arxiv",
    "version": 1
  }
}