Pith Number

pith:UZ5FXWON

pith:1999:UZ5FXWON2YIPEH7BMRQ4AWX5PL

not attested not anchored not stored refs pending

The S2 VLBI Correlator: A Correlator for Space VLBI and Geodetic Signal Processing

B.R. Carlson, P.E. Dewdney, R.V. Casorso, T.A. Burgess, W.H. Cannon, W.T.Petrachenko

arxiv:astro-ph/9908314 v1 · 1999-08-27 · 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{UZ5FXWON2YIPEH7BMRQ4AWX5PL}

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	2026-07-04T16:11:33.020801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a67a5bd9cdd610f21fe16461c05afd7acd6335fa5985fb048b7164fb079ffa64

Aliases

arxiv: astro-ph/9908314 · arxiv_version: astro-ph/9908314v1 · doi: 10.48550/arxiv.astro-ph/9908314 · pith_short_12: UZ5FXWON2YIP · pith_short_16: UZ5FXWON2YIPEH7B · pith_short_8: UZ5FXWON

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/UZ5FXWON2YIPEH7BMRQ4AWX5PL \
  | 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: a67a5bd9cdd610f21fe16461c05afd7acd6335fa5985fb048b7164fb079ffa64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12db9591a04eb783c8591be3e08738b486c0c9e669d49526dcc806e86658111e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-08-27T21:33:32Z",
    "title_canon_sha256": "371f02ed98217fd1e5670a8543a65c477a4980ebd59ef938bf1ed0fa31b76109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9908314",
    "kind": "arxiv",
    "version": 1
  }
}