Pith Number

pith:PCFSW7VA

pith:2016:PCFSW7VAYA5W2YWARDZRPH7GQS

not attested not anchored not stored refs pending

Unsound Inferences Make Proofs Shorter

Juan P. Aguilera, Matthias Baaz

arxiv:1608.07703 v2 · 2016-08-27 · math.LO · cs.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{PCFSW7VAYA5W2YWARDZRPH7GQS}

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	2026-05-17T23:47:06.053221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

788b2b7ea0c03b6d62c088f3179fe684a030a3d76dddd27cbe1ee85aee88383e

Aliases

arxiv: 1608.07703 · arxiv_version: 1608.07703v2 · doi: 10.48550/arxiv.1608.07703 · pith_short_12: PCFSW7VAYA5W · pith_short_16: PCFSW7VAYA5W2YWA · pith_short_8: PCFSW7VA

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/PCFSW7VAYA5W2YWARDZRPH7GQS \
  | 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: 788b2b7ea0c03b6d62c088f3179fe684a030a3d76dddd27cbe1ee85aee88383e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "550cf1cf580a0a42e5a5fe775a6f2b6e37bb132230059283933431dcc88d8179",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-08-27T12:25:32Z",
    "title_canon_sha256": "cd7a2190ba1d576b132cf83e2c80433b80fe2021f2b9b29585ef95a8ef322e69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07703",
    "kind": "arxiv",
    "version": 2
  }
}