Pith Number

pith:LRHCFOLY

pith:2002:LRHCFOLYAGUMK67HZR4IHJRMPH

not attested not anchored not stored refs pending

Astrometry with Hubble Space Telescope: A Parallax of the Fundamental Distance Calibrator delta Cephei

A. J. Bradley, A. L. Whipple, B. E. McArthur, C. L. Slesnick, D. Story, E. Nelan, G. Fritz Benedict, J. Rhee, L. H. Wasserman, L.W. Fredrick, M. F. Skrutskie, O. G. Franz, P.D. Hemenway, P. J. Shelus, R. J. Patterson, R. L. Duncombe, T. E. Harrison, W. H. Jefferys, W. van Altena

arxiv:astro-ph/0206214 v1 · 2002-06-13 · 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{LRHCFOLYAGUMK67HZR4IHJRMPH}

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	2026-07-04T16:30:11.952989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c4e22b97801a8c57be7cc7883a62c79de682e1019ec1b1e32c50e62f7e133a3

Aliases

arxiv: astro-ph/0206214 · arxiv_version: astro-ph/0206214v1 · doi: 10.48550/arxiv.astro-ph/0206214 · pith_short_12: LRHCFOLYAGUM · pith_short_16: LRHCFOLYAGUMK67H · pith_short_8: LRHCFOLY

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/LRHCFOLYAGUMK67HZR4IHJRMPH \
  | 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: 5c4e22b97801a8c57be7cc7883a62c79de682e1019ec1b1e32c50e62f7e133a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b96b81d751acfaaf2d0a40d66eacc3133eab01ea2a21ba4da45762a2a5feba8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-13T16:50:53Z",
    "title_canon_sha256": "15f952cdfec511f8e1c9c81e693719733c72906ddce256ae545b16695468b919"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0206214",
    "kind": "arxiv",
    "version": 1
  }
}