Pith Number

pith:XTT5HY4I

pith:2013:XTT5HY4IV47YE2NXBUEJOSAJEK

not attested not anchored not stored refs pending

Formal Verification of Hardware Synthesis

Adam Chlipala (CSAIL), Thomas Braibant (INRIA Rocquencourt)

arxiv:1301.4779 v1 · 2013-01-21 · 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{XTT5HY4IV47YE2NXBUEJOSAJEK}

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	2026-05-18T03:07:44.487753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bce7d3e388af3f8269b70d0897480922b56baf0c5c3920b5d00c2d19f9ba3646

Aliases

arxiv: 1301.4779 · arxiv_version: 1301.4779v1 · doi: 10.48550/arxiv.1301.4779 · pith_short_12: XTT5HY4IV47Y · pith_short_16: XTT5HY4IV47YE2NX · pith_short_8: XTT5HY4I

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/XTT5HY4IV47YE2NXBUEJOSAJEK \
  | 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: bce7d3e388af3f8269b70d0897480922b56baf0c5c3920b5d00c2d19f9ba3646

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "032253b426ad8034786a7ca70b5a4573587fc5a527a1305d8c5da04577d6e1d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-01-21T08:12:22Z",
    "title_canon_sha256": "af120e68c17cbc2441ab5dd166be8bb3c76f11f0e027677e72d4fe5b3e92c1b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4779",
    "kind": "arxiv",
    "version": 1
  }
}