Pith Number

pith:XYTHAKEZ

pith:2018:XYTHAKEZFXYIJ2S3QELEDWSVAZ

not attested not anchored not stored refs pending

Formal Verification of a Programmable Hypersurface

Andreas Pitsillides, Anna Philippou, Dimitris Kouzapas, Julius Georgiou, Loukas Petrou, Panagiotis Kouvaros

arxiv:1807.09339 v1 · 2018-07-17 · cs.NI · 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{XYTHAKEZFXYIJ2S3QELEDWSVAZ}

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	2026-05-18T00:09:51.644793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be267028992df084ea5b811641da550649dcd927a9d9bc772ededd594bf237a9

Aliases

arxiv: 1807.09339 · arxiv_version: 1807.09339v1 · doi: 10.48550/arxiv.1807.09339 · pith_short_12: XYTHAKEZFXYI · pith_short_16: XYTHAKEZFXYIJ2S3 · pith_short_8: XYTHAKEZ

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/XYTHAKEZFXYIJ2S3QELEDWSVAZ \
  | 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: be267028992df084ea5b811641da550649dcd927a9d9bc772ededd594bf237a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c19dbaf1703dc5c3e150ce22615f1c62966fb1635825db802dc4ae55b12dce8d",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2018-07-17T06:53:15Z",
    "title_canon_sha256": "cc7fd1a3ba6fd36a79f476b6829fae2d658f9571704014c100b0bd270f0d15b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09339",
    "kind": "arxiv",
    "version": 1
  }
}