Pith Number

pith:EB2EZVXP

pith:2025:EB2EZVXPEPAVHMDZCT77ZNUVKJ

not attested not anchored not stored refs pending

Basic interactive algorithms: Preview

Yuri Gurevich

arxiv:2508.05798 v1 · 2025-08-07 · cs.LO · cs.CL · math.LO · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EB2EZVXPEPAVHMDZCT77ZNUVKJ}

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	2026-07-05T11:50:43.589248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20744cd6ef23c153b07914fffcb695524dbc8e044243425a30346bc1448df161

Aliases

arxiv: 2508.05798 · arxiv_version: 2508.05798v1 · doi: 10.48550/arxiv.2508.05798 · pith_short_12: EB2EZVXPEPAV · pith_short_16: EB2EZVXPEPAVHMDZ · pith_short_8: EB2EZVXP

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/EB2EZVXPEPAVHMDZCT77ZNUVKJ \
  | 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: 20744cd6ef23c153b07914fffcb695524dbc8e044243425a30346bc1448df161

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79b36bead7fb394d6c5fecdee61c0b8ae44e7103166297e001399b4b913c225e",
    "cross_cats_sorted": [
      "cs.CL",
      "math.LO",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-08-07T19:13:47Z",
    "title_canon_sha256": "6c611887b43bad5b1c08f25f6cf67608614f7721703a1288f9346f8495c73ebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.05798",
    "kind": "arxiv",
    "version": 1
  }
}