Pith Number

pith:4H4UPC4L

pith:2026:4H4UPC4LEEIORXE737S6M6M6ET

not attested not anchored not stored refs pending

Deterministic method of data sequence processing

Michal Widera

arxiv:2607.10444 v1 · 2026-07-11 · cs.DB · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4H4UPC4LEEIORXE737S6M6M6ET}

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	2026-07-14T01:21:16.197423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1f9478b8b2110e8dc9fdfe5e6799e24dbe622e0b8a3056c84dd4224419c9c46

Aliases

arxiv: 2607.10444 · arxiv_version: 2607.10444v1 · doi: 10.48550/arxiv.2607.10444 · pith_short_12: 4H4UPC4LEEIO · pith_short_16: 4H4UPC4LEEIORXE7 · pith_short_8: 4H4UPC4L

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/4H4UPC4LEEIORXE737S6M6M6ET \
  | 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: e1f9478b8b2110e8dc9fdfe5e6799e24dbe622e0b8a3056c84dd4224419c9c46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fbce31be357aeeb57787fa4c1f6915b20663aa8843466cf877f9ed930596fb7",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-07-11T19:02:59Z",
    "title_canon_sha256": "249c1906e48dc60ece741d5864ad45d14a5a6e970c9bde61a5c559070589c90a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.10444",
    "kind": "arxiv",
    "version": 1
  }
}