Pith Number

pith:CCERQ2OD

pith:2007:CCERQ2OD4JLQKKZ5U2LYPJY6F6

not attested not anchored not stored refs pending

Polyphase alternating codes

Juha Vierinen, Markku Markkanen

arxiv:0711.4528 v1 · 2007-11-28 · physics.data-an · physics.space-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{CCERQ2OD4JLQKKZ5U2LYPJY6F6}

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	2026-05-18T02:16:09.021286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10891869c3e257052b3da69787a71e2faaa077e170eed7741ec7a3c4628cde8c

Aliases

arxiv: 0711.4528 · arxiv_version: 0711.4528v1 · doi: 10.48550/arxiv.0711.4528 · pith_short_12: CCERQ2OD4JLQ · pith_short_16: CCERQ2OD4JLQKKZ5 · pith_short_8: CCERQ2OD

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/CCERQ2OD4JLQKKZ5U2LYPJY6F6 \
  | 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: 10891869c3e257052b3da69787a71e2faaa077e170eed7741ec7a3c4628cde8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9222171667065b9fe48100b2bf320b3500c6ecda99ea6e18226f50a01863bfe1",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "",
    "primary_cat": "physics.data-an",
    "submitted_at": "2007-11-28T16:28:58Z",
    "title_canon_sha256": "6d24f6a21864f42799297b1592566cd9843ba175566d4834018647277908d931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.4528",
    "kind": "arxiv",
    "version": 1
  }
}