Pith Number

pith:U7YDCVZ6

pith:2019:U7YDCVZ6NPWTF4QIU33OKOBAOG

not attested not anchored not stored refs pending

Radio Sources in the Nearby Universe

A. M. Matthews, J. J. Broderick, J. J. Condon

arxiv:1901.10046 v1 · 2019-01-29 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7YDCVZ6NPWTF4QIU33OKOBAOG}

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	2026-05-17T23:52:38.084287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7f031573e6bed32f208a6f6e538207192e134965314fcc0a3e51074709427c8

Aliases

arxiv: 1901.10046 · arxiv_version: 1901.10046v1 · doi: 10.48550/arxiv.1901.10046 · pith_short_12: U7YDCVZ6NPWT · pith_short_16: U7YDCVZ6NPWTF4QI · pith_short_8: U7YDCVZ6

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/U7YDCVZ6NPWTF4QIU33OKOBAOG \
  | 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: a7f031573e6bed32f208a6f6e538207192e134965314fcc0a3e51074709427c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c17d551cd44b52ee28ac47b7f018a73607927341b81dffa66b966969e46ce18c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-29T00:17:01Z",
    "title_canon_sha256": "a2832459509ad3157a54789f4bbd8b5c14cd7e246470bdcf3f9ef23baf29f35d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10046",
    "kind": "arxiv",
    "version": 1
  }
}