Pith Number

pith:STL5CIAO

pith:2012:STL5CIAOMQ5XDIQDY3OTESQWRV

not attested not anchored not stored refs pending

A Construction for Perfect Periodic Autocorrelation Sequences

Andrew Z. Tirkel, Samuel T. Blake

arxiv:1212.0277 v1 · 2012-12-03 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STL5CIAOMQ5XDIQDY3OTESQWRV}

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	2026-05-18T03:39:26.586411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94d7d1200e643b71a203c6dd324a168d72c37918a57dfa3745d8ad75f535e706

Aliases

arxiv: 1212.0277 · arxiv_version: 1212.0277v1 · doi: 10.48550/arxiv.1212.0277 · pith_short_12: STL5CIAOMQ5X · pith_short_16: STL5CIAOMQ5XDIQD · pith_short_8: STL5CIAO

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/STL5CIAOMQ5XDIQDY3OTESQWRV \
  | 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: 94d7d1200e643b71a203c6dd324a168d72c37918a57dfa3745d8ad75f535e706

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfc74666c39c649035ec759f0a2b221c2299d550b09c6d86aa832664153a759a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-12-03T03:35:53Z",
    "title_canon_sha256": "2231dffc8ee65b92f68c3c0416308ae31b112ebfa32c725098139d2686ae79f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0277",
    "kind": "arxiv",
    "version": 1
  }
}