Pith Number

pith:4E4RZUHM

pith:2016:4E4RZUHMQN33WLJVUNETB3WWMS

not attested not anchored not stored refs pending

Symbolic Abstract Contract Synthesis in a Rewriting Framework

Alicia Villanueva, Daniel Pardo, Mar\'ia Alpuente

arxiv:1608.05619 v1 · 2016-08-19 · cs.PL · 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{4E4RZUHMQN33WLJVUNETB3WWMS}

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	2026-05-18T01:08:28.042379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1391cd0ec8377bb2d35a34930eed664aaa8b118310d9c3a2cff47fbf46d244d

Aliases

arxiv: 1608.05619 · arxiv_version: 1608.05619v1 · doi: 10.48550/arxiv.1608.05619 · pith_short_12: 4E4RZUHMQN33 · pith_short_16: 4E4RZUHMQN33WLJV · pith_short_8: 4E4RZUHM

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/4E4RZUHMQN33WLJVUNETB3WWMS \
  | 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: e1391cd0ec8377bb2d35a34930eed664aaa8b118310d9c3a2cff47fbf46d244d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77da12a294ac846c71e794c24788c780898f7ca028e41097d4b5071db24b4e31",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-08-19T14:43:25Z",
    "title_canon_sha256": "e8d42c1bd1b572c4bf1f3f40d9450cf626e5aa00d91fccc188e86a688da63132"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05619",
    "kind": "arxiv",
    "version": 1
  }
}