Pith Number

pith:V2IL27OS

pith:2013:V2IL27OSQHOQSGQ3HFXM3LZJFC

not attested not anchored not stored refs pending

On errors of radio source position catalogs

Zinovy Malkin

arxiv:1311.4813 v1 · 2013-11-19 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V2IL27OSQHOQSGQ3HFXM3LZJFC}

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	2026-05-18T02:30:32.412003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae90bd7dd281dd091a1b396ecdaf29289f7256d9144ca633ea33579c9f84a5dc

Aliases

arxiv: 1311.4813 · arxiv_version: 1311.4813v1 · doi: 10.48550/arxiv.1311.4813 · pith_short_12: V2IL27OSQHOQ · pith_short_16: V2IL27OSQHOQSGQ3 · pith_short_8: V2IL27OS

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/V2IL27OSQHOQSGQ3HFXM3LZJFC \
  | 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: ae90bd7dd281dd091a1b396ecdaf29289f7256d9144ca633ea33579c9f84a5dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f8f1a503fbe58b0fe37a0e49288bfc59f3b796ba73e0e4221d64112595177bb",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-11-19T17:47:37Z",
    "title_canon_sha256": "c4f692d66bb249c9c7fe92f6ab8051352a627da0ac36a89f7ab12288ade87283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4813",
    "kind": "arxiv",
    "version": 1
  }
}