Pith Number

pith:TA6TY2VW

pith:2001:TA6TY2VW7Q7BRFFPHO3B6FQOHW

not attested not anchored not stored refs pending

The Quiescent Spectrum of the AM CVn star CP Eri

Danny Steeghs, Gijs Nelemans, Paul J. Groot, Tom Marsh

arxiv:astro-ph/0108018 v1 · 2001-08-01 · 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{TA6TY2VW7Q7BRFFPHO3B6FQOHW}

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	2026-07-04T16:23:48.430725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

983d3c6ab6fc3e1894af3bb61f160e3d9a8cf92ac11a85c0281277b95162b75c

Aliases

arxiv: astro-ph/0108018 · arxiv_version: astro-ph/0108018v1 · doi: 10.48550/arxiv.astro-ph/0108018 · pith_short_12: TA6TY2VW7Q7B · pith_short_16: TA6TY2VW7Q7BRFFP · pith_short_8: TA6TY2VW

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/TA6TY2VW7Q7BRFFPHO3B6FQOHW \
  | 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: 983d3c6ab6fc3e1894af3bb61f160e3d9a8cf92ac11a85c0281277b95162b75c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29c244882e27b25ce3ef57450e5d055fe2acbb3fe591571cceba244ba0fad123",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-01T16:34:57Z",
    "title_canon_sha256": "4977f937f5c5363102cec15f5172f0ca5a5af4b030a71d270b2aa358e297180a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108018",
    "kind": "arxiv",
    "version": 1
  }
}