Pith Number

pith:QCDQNEZP

pith:2026:QCDQNEZPUVYHTFOUGJTLV77ZPM

not attested not anchored not stored refs pending

The Technological Turn in Mathematics

Fenner Tanswell, Silvia De Toffoli

arxiv:2607.07162 v1 · 2026-07-08 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCDQNEZPUVYHTFOUGJTLV77ZPM}

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	2026-07-09T01:20:16.013077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

808706932fa5707995d43266bafff97b32c822a59f6c797428fbdd3b3432c88d

Aliases

arxiv: 2607.07162 · arxiv_version: 2607.07162v1 · doi: 10.48550/arxiv.2607.07162 · pith_short_12: QCDQNEZPUVYH · pith_short_16: QCDQNEZPUVYHTFOU · pith_short_8: QCDQNEZP

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/QCDQNEZPUVYHTFOUGJTLV77ZPM \
  | 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: 808706932fa5707995d43266bafff97b32c822a59f6c797428fbdd3b3432c88d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0602509b6ded6268a52e44f6f986a08f086d5fc92161fd80d147f50e750b00b7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2026-07-08T08:53:15Z",
    "title_canon_sha256": "fe17f7fc2c873af1650ca0c8e7128d08eed087d39969926dd5f443391927a2e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07162",
    "kind": "arxiv",
    "version": 1
  }
}