Pith Number

pith:QCXSIMWR

pith:2019:QCXSIMWRV7CQBIUA7W2IJNBJJS

not attested not anchored not stored refs pending

Topological Interpretation of Interactive Computation

Anita Wasilewska, Emanuela Merelli

arxiv:1908.04264 v1 · 2019-08-03 · cs.LO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCXSIMWRV7CQBIUA7W2IJNBJJS}

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	2026-07-04T23:53:21.823972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80af2432d1afc500a280fdb484b4294cb3a76a4955b33065f90002d5cafc29f5

Aliases

arxiv: 1908.04264 · arxiv_version: 1908.04264v1 · doi: 10.48550/arxiv.1908.04264 · pith_short_12: QCXSIMWRV7CQ · pith_short_16: QCXSIMWRV7CQBIUA · pith_short_8: QCXSIMWR

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/QCXSIMWRV7CQBIUA7W2IJNBJJS \
  | 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: 80af2432d1afc500a280fdb484b4294cb3a76a4955b33065f90002d5cafc29f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b2440578e0c7b5f433573d6a22ebe930e1363775f0f5135053cae5db8bd538e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-08-03T19:29:36Z",
    "title_canon_sha256": "4a23f82766386045907521a704fa84178e16ad23c9a8fa66d2b7de12ae9e6b73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04264",
    "kind": "arxiv",
    "version": 1
  }
}