Pith Number

pith:XR4O4VEQ

pith:2017:XR4O4VEQZOFB7NSIGI6FL4FCY7

not attested not anchored not stored refs pending

Static Contract Simplification

Matthias Keil, Peter Thiemann

arxiv:1703.10331 v1 · 2017-03-30 · 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{XR4O4VEQZOFB7NSIGI6FL4FCY7}

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	2026-05-18T00:47:37.357405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc78ee5490cb8a1fb648323c55f0a2c7c16b1d3d4471a9344f4b52ec13ab5cef

Aliases

arxiv: 1703.10331 · arxiv_version: 1703.10331v1 · doi: 10.48550/arxiv.1703.10331 · pith_short_12: XR4O4VEQZOFB · pith_short_16: XR4O4VEQZOFB7NSI · pith_short_8: XR4O4VEQ

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/XR4O4VEQZOFB7NSIGI6FL4FCY7 \
  | 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: bc78ee5490cb8a1fb648323c55f0a2c7c16b1d3d4471a9344f4b52ec13ab5cef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ec227f77df1e252b9463811c5b650e71396d7e20793b01f127ecdf93244d9dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-03-30T06:53:13Z",
    "title_canon_sha256": "2bcfba74f3e3066519a722dfdf324bd14126ffaa51efdf0c15614607452a36d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10331",
    "kind": "arxiv",
    "version": 1
  }
}