Pith Number

pith:7RVY5QXY

pith:2017:7RVY5QXY6LN5PXUDVD646MH2QC

not attested not anchored not stored refs pending

Verifying Array Manipulating Programs by Tiling

Ashutosh Gupta, Divyesh Unadkat, Supratik Chakraborty

arxiv:1707.03555 v2 · 2017-07-12 · cs.SE · cs.LO · 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{7RVY5QXY6LN5PXUDVD646MH2QC}

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	2026-05-18T00:33:43.396782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc6b8ec2f8f2dbd7de83a8fdcf30fa8093e72bd951a6aa1c836edf1f5369db1e

Aliases

arxiv: 1707.03555 · arxiv_version: 1707.03555v2 · doi: 10.48550/arxiv.1707.03555 · pith_short_12: 7RVY5QXY6LN5 · pith_short_16: 7RVY5QXY6LN5PXUD · pith_short_8: 7RVY5QXY

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/7RVY5QXY6LN5PXUDVD646MH2QC \
  | 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: fc6b8ec2f8f2dbd7de83a8fdcf30fa8093e72bd951a6aa1c836edf1f5369db1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e889a83887fbeddf86c23d4f429ad1bb0adf5a7970d725b552506708af6a5555",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-07-12T06:06:34Z",
    "title_canon_sha256": "df782824b3ea700fa5bddfc04d5f9e15b2785392982777e0ac8a35b7527eba89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03555",
    "kind": "arxiv",
    "version": 2
  }
}