Pith Number

pith:DQI2BFZN

pith:2012:DQI2BFZNUVI4ZSACKNGF6EOM3V

not attested not anchored not stored refs pending

A note on Barker polynomials

Peter Borwein, Tamas Erdelyi

arxiv:1206.5371 v2 · 2012-06-23 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQI2BFZNUVI4ZSACKNGF6EOM3V}

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	2026-05-18T02:49:18.656007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c11a0972da551ccc802534c5f11ccdd600c1b0af2d42668fe26607a153e524a

Aliases

arxiv: 1206.5371 · arxiv_version: 1206.5371v2 · doi: 10.48550/arxiv.1206.5371 · pith_short_12: DQI2BFZNUVI4 · pith_short_16: DQI2BFZNUVI4ZSAC · pith_short_8: DQI2BFZN

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/DQI2BFZNUVI4ZSACKNGF6EOM3V \
  | 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: 1c11a0972da551ccc802534c5f11ccdd600c1b0af2d42668fe26607a153e524a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51c0071a6f520c0095c743c99c74ac45ea697c1f91f25641795dfe90a3968b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2012-06-23T09:08:55Z",
    "title_canon_sha256": "72bb62ea41cb829736e1293174e916e595395a30333dd14c34c490d53c2fc3bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5371",
    "kind": "arxiv",
    "version": 2
  }
}