Pith Number

pith:USJ2E75H

pith:2015:USJ2E75HFDKFQCDRR5UWBZNJUL

not attested not anchored not stored refs pending

The SFXC software correlator for Very Long Baseline Interferometry: Algorithms and Implementation

A. Keimpema, A. Szomoru, B. Eldering, D.A. Duev, D. Marchal, G. Cim\'o, G. Molera Calv\'es, H.J. van Langevelde, H. Ozdemir, J. Yang, M.M. Kettenis, N. Kruithof, R.M. Campbell, S.V. Pogrebenko, Y. Pidopryhora, Z. Paragi

arxiv:1502.00467 v1 · 2015-02-02 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USJ2E75HFDKFQCDRR5UWBZNJUL}

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	2026-05-18T01:41:05.370461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a493a27fa728d45808718f6960e5a9a2d13a359e330fd760ef8a1ec6b1598cec

Aliases

arxiv: 1502.00467 · arxiv_version: 1502.00467v1 · doi: 10.48550/arxiv.1502.00467 · pith_short_12: USJ2E75HFDKF · pith_short_16: USJ2E75HFDKFQCDR · pith_short_8: USJ2E75H

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/USJ2E75HFDKFQCDRR5UWBZNJUL \
  | 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: a493a27fa728d45808718f6960e5a9a2d13a359e330fd760ef8a1ec6b1598cec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11b54b4aa7ffb5358bc63ee6833ebc323f0894707b7a7225e6832b3880a21ecc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-02-02T13:25:36Z",
    "title_canon_sha256": "d269eb738f76418023473db060d9254c7db3f7e405f2c83abe35f3815cd26c76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00467",
    "kind": "arxiv",
    "version": 1
  }
}