Pith Number

pith:TGXGHRY5

pith:2022:TGXGHRY5FTE4QPSZKXFHNCZ256

not attested not anchored not stored refs pending

Trace Refinement in B and Event-B

Alexander Egyed, Atif Mashkoor, Michael Leuschel, Sebastian Stock

arxiv:2207.14043 v1 · 2022-07-28 · 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{TGXGHRY5FTE4QPSZKXFHNCZ256}

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	2026-07-05T04:44:23.841404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99ae63c71d2cc9c83e5955ca768b3aefb08ff1234e4351e3b0c9ef3ea633000c

Aliases

arxiv: 2207.14043 · arxiv_version: 2207.14043v1 · doi: 10.48550/arxiv.2207.14043 · pith_short_12: TGXGHRY5FTE4 · pith_short_16: TGXGHRY5FTE4QPSZ · pith_short_8: TGXGHRY5

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/TGXGHRY5FTE4QPSZKXFHNCZ256 \
  | 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: 99ae63c71d2cc9c83e5955ca768b3aefb08ff1234e4351e3b0c9ef3ea633000c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "336e42444b9e51e5e0a45359564d708545d4cba3b38bcf203dd6303c10005de3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2022-07-28T12:31:12Z",
    "title_canon_sha256": "f0b1dace5e5e563a5cbd11972abb29cb29810f60bfd86391971ee225812de390"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.14043",
    "kind": "arxiv",
    "version": 1
  }
}