Pith Number

pith:GU63JK5C

pith:2026:GU63JK5CVKSFSKN3AFNOZS2KWT

not attested not anchored not stored refs pending

Formalization of security

Gilles Barthe

arxiv:2607.28551 v1 · 2026-07-30 · cs.CR · cs.LO · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GU63JK5CVKSFSKN3AFNOZS2KWT}

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	2026-07-31T01:38:31.385050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

353db4aba2aaa45929bb015aeccb4ab4ecd8f28f7b0c5c86193e2b9aed480a21

Aliases

arxiv: 2607.28551 · arxiv_version: 2607.28551v1 · doi: 10.48550/arxiv.2607.28551 · pith_short_12: GU63JK5CVKSF · pith_short_16: GU63JK5CVKSFSKN3 · pith_short_8: GU63JK5C

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/GU63JK5CVKSFSKN3AFNOZS2KWT \
  | 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: 353db4aba2aaa45929bb015aeccb4ab4ecd8f28f7b0c5c86193e2b9aed480a21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a29ba9046c3a3f5c03b2e062fa77c66354a14463753f7009937c62cdce505c2",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-30T17:21:14Z",
    "title_canon_sha256": "7aeb75d0807c57d29ade67e083e65fb3dd21d1c58f4bf1bc727c5986e1dbea4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28551",
    "kind": "arxiv",
    "version": 1
  }
}