Pith Number

pith:2RHDPYM2

pith:2018:2RHDPYM2RWKLAOAF6PGCHVTR4M

not attested not anchored not stored refs pending

Constraint-Based Synthesis of Coupling Proofs

Aws Albarghouthi, Justin Hsu

arxiv:1804.04052 v1 · 2018-04-11 · 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{2RHDPYM2RWKLAOAF6PGCHVTR4M}

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	2026-05-18T00:18:42.220099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d44e37e19a8d94b03805f3cc23d671e30c45cf7f3ea477a0335225b453356ae3

Aliases

arxiv: 1804.04052 · arxiv_version: 1804.04052v1 · doi: 10.48550/arxiv.1804.04052 · pith_short_12: 2RHDPYM2RWKL · pith_short_16: 2RHDPYM2RWKLAOAF · pith_short_8: 2RHDPYM2

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/2RHDPYM2RWKLAOAF6PGCHVTR4M \
  | 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: d44e37e19a8d94b03805f3cc23d671e30c45cf7f3ea477a0335225b453356ae3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fbb2d20225b3a94b6beed05081b064dbac3e396715d601b1652cdedb5b76966",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-04-11T15:34:42Z",
    "title_canon_sha256": "0211e85410c125f58a740498f2e377d352a758d6f975dec94849f0fd7d743da0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04052",
    "kind": "arxiv",
    "version": 1
  }
}