Pith Number

pith:CQKSQHVQ

pith:2017:CQKSQHVQJSOVXWMQNMKOXTZPBN

not attested not anchored not stored refs pending

Extended Product and Integrated Interleaved Codes

Mario Blaum, Steven Hetzler

arxiv:1712.08566 v2 · 2017-12-21 · 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{CQKSQHVQJSOVXWMQNMKOXTZPBN}

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	2026-05-18T00:27:04.226799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1415281eb04c9d5bd9906b14ebcf2f0b44a4c4b0d0111a03cedfe56ca18ccd7a

Aliases

arxiv: 1712.08566 · arxiv_version: 1712.08566v2 · doi: 10.48550/arxiv.1712.08566 · pith_short_12: CQKSQHVQJSOV · pith_short_16: CQKSQHVQJSOVXWMQ · pith_short_8: CQKSQHVQ

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/CQKSQHVQJSOVXWMQNMKOXTZPBN \
  | 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: 1415281eb04c9d5bd9906b14ebcf2f0b44a4c4b0d0111a03cedfe56ca18ccd7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3f95b8f32140d16d554c105edb7d852768a02034af08e93c924cb614c5168af",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-21T16:32:49Z",
    "title_canon_sha256": "d298b6b3f78536d9c466763eaa5a0c294c7a8aad050f26b04ebcf98fdc95eba4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08566",
    "kind": "arxiv",
    "version": 2
  }
}