Pith Number

pith:N62IO3TI

pith:2012:N62IO3TIPRPBOJRHZSTC5W3BZC

not attested not anchored not stored refs pending

The unusual smoothness of the extragalactic unresolved radio background

Gilbert Holder

arxiv:1207.0856 v1 · 2012-07-03 · 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{N62IO3TIPRPBOJRHZSTC5W3BZC}

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	2026-05-18T03:01:24.568096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fb4876e687c5e172627cca62edb61c89217f5155c81fdf1e088f8b276ed6c68

Aliases

arxiv: 1207.0856 · arxiv_version: 1207.0856v1 · doi: 10.48550/arxiv.1207.0856 · pith_short_12: N62IO3TIPRPB · pith_short_16: N62IO3TIPRPBOJRH · pith_short_8: N62IO3TI

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/N62IO3TIPRPBOJRHZSTC5W3BZC \
  | 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: 6fb4876e687c5e172627cca62edb61c89217f5155c81fdf1e088f8b276ed6c68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a26901bae610fafd5596c385eca16683db963f73b41c1610b139d4aceff46e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-03T23:18:20Z",
    "title_canon_sha256": "4d9b57065422250e7f1523f03fa020a826116e76a6c5bea40929ca77903d2c62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0856",
    "kind": "arxiv",
    "version": 1
  }
}