Pith Number

pith:JG2P4WYJ

pith:2002:JG2P4WYJJ7IW5J4QUAESUFFE2G

not attested not anchored not stored refs pending

VLBI observations in Cluster-Cluster mode at 1.6 GHz

J.-F. Desmurs, L.I. Gurvits & R.T. Schilizzi, M. J. Rioja, R. W. Porcas, W. Alef

arxiv:astro-ph/0207210 v1 · 2002-07-10 · 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{JG2P4WYJJ7IW5J4QUAESUFFE2G}

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.

Cited by

1 paper in Pith

Serial MultiView: an efficient approach to mitigating atmospheric spatial-structure errors for VLBI astrometry

Receipt and verification

First computed	2026-07-04T14:12:06.168032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49b4fe5b094fd16ea790a0092a14a4d181c1b85660d972b43c6d1857e566ca94

Aliases

arxiv: astro-ph/0207210 · arxiv_version: astro-ph/0207210v1 · doi: 10.48550/arxiv.astro-ph/0207210 · pith_short_12: JG2P4WYJJ7IW · pith_short_16: JG2P4WYJJ7IW5J4Q · pith_short_8: JG2P4WYJ

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/JG2P4WYJJ7IW5J4QUAESUFFE2G \
  | 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: 49b4fe5b094fd16ea790a0092a14a4d181c1b85660d972b43c6d1857e566ca94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ac35692c076219645619964d7ac5c490ce7c7aaeb0acc4cea3cf87ef20d400f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-10T11:12:30Z",
    "title_canon_sha256": "e940c7c2d89673a4f56b971a718ee704756ae36a0a9b4932c3c2a5b5daf89c5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207210",
    "kind": "arxiv",
    "version": 1
  }
}