Pith Number

pith:4PC5LVWG

pith:2022:4PC5LVWGDYVLVBXTB5GEINL4GS

not attested not anchored not stored refs pending

Truth and Falsity in Buridan's Bridge

Paul \'Egr\'e

arxiv:2209.10625 v2 · 2022-09-21 · math.HO · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PC5LVWGDYVLVBXTB5GEINL4GS}

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	2026-07-05T05:01:41.201880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3c5d5d6c61e2aba86f30f4c44357c34b0bf2e907957efc8d4b2402020c01b96

Aliases

arxiv: 2209.10625 · arxiv_version: 2209.10625v2 · doi: 10.48550/arxiv.2209.10625 · pith_short_12: 4PC5LVWGDYVL · pith_short_16: 4PC5LVWGDYVLVBXT · pith_short_8: 4PC5LVWG

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/4PC5LVWGDYVLVBXTB5GEINL4GS \
  | 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: e3c5d5d6c61e2aba86f30f4c44357c34b0bf2e907957efc8d4b2402020c01b96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "653a850078bfb51901ba2b31e23893d235ce31057509a4315af130f4ae2baedc",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2022-09-21T19:38:27Z",
    "title_canon_sha256": "ead864993db43336abe0a14a7f4796960438f86bbfc23b66c41945bf5283b3db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.10625",
    "kind": "arxiv",
    "version": 2
  }
}