Pith Number

pith:AVUZDYGL

pith:2012:AVUZDYGLWCBNWZL3G63CW3XDE4

not attested not anchored not stored refs pending

Topos-Based Logic for Quantum Systems and Bi-Heyting Algebras

Andreas Doering

arxiv:1202.2750 v2 · 2012-02-13 · 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{AVUZDYGLWCBNWZL3G63CW3XDE4}

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	2026-05-18T03:05:28.564500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

056991e0cbb082db657b37b62b6ee3270f1a5e201e2c04163b04b2bbd8dc5f85

Aliases

arxiv: 1202.2750 · arxiv_version: 1202.2750v2 · doi: 10.48550/arxiv.1202.2750 · pith_short_12: AVUZDYGLWCBN · pith_short_16: AVUZDYGLWCBNWZL3 · pith_short_8: AVUZDYGL

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/AVUZDYGLWCBNWZL3G63CW3XDE4 \
  | 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: 056991e0cbb082db657b37b62b6ee3270f1a5e201e2c04163b04b2bbd8dc5f85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7e1e209e1beabb95ee2fe1a2c6def4b4e21bbc5bb31c860b3fe270f88bab34d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-02-13T14:40:40Z",
    "title_canon_sha256": "4c045f3492fae9cf4714155f9435da1ec51f81b2d15d2e9d580b939969631e07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2750",
    "kind": "arxiv",
    "version": 2
  }
}