Pith Number

pith:S2MYPJAO

pith:2018:S2MYPJAOO7ID56Q4FCYRPG5V47

not attested not anchored not stored refs pending

A construction of product blocks with a fixed block size

Sergey Bereg

arxiv:1805.03165 v2 · 2018-05-08 · 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{S2MYPJAOO7ID56Q4FCYRPG5V47}

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	2026-05-18T00:15:49.432679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

969987a40e77d03efa1c28b1179bb5e7dd83453646b5c011bee1891fb4aada5f

Aliases

arxiv: 1805.03165 · arxiv_version: 1805.03165v2 · doi: 10.48550/arxiv.1805.03165 · pith_short_12: S2MYPJAOO7ID · pith_short_16: S2MYPJAOO7ID56Q4 · pith_short_8: S2MYPJAO

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/S2MYPJAOO7ID56Q4FCYRPG5V47 \
  | 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: 969987a40e77d03efa1c28b1179bb5e7dd83453646b5c011bee1891fb4aada5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9a4267242a661371f06aa598265551b470e82437bf68728f91c626ecadaf79b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-08T17:00:49Z",
    "title_canon_sha256": "5bddb5ad8c67cbd1eebdf8559528b54e3f6f247f2fc9df0fd27db75022c97acb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03165",
    "kind": "arxiv",
    "version": 2
  }
}