Pith Number

pith:DUOZWFH5

pith:2018:DUOZWFH5PB4KFSRV34LVHGNVHE

not attested not anchored not stored refs pending

Decision Procedures for Path Feasibility of String-Manipulating Programs with Complex Operations

Anthony W. Lin, Matthew Hague, Philipp R\"ummer, Taolue Chen, Zhilin Wu

arxiv:1811.03167 v1 · 2018-11-07 · cs.FL · 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{DUOZWFH5PB4KFSRV34LVHGNVHE}

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	2026-05-18T00:01:18.947814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d1d9b14fd7878a2ca35df175399b53931a3607bc35197f12a4f5cd225afc414

Aliases

arxiv: 1811.03167 · arxiv_version: 1811.03167v1 · doi: 10.48550/arxiv.1811.03167 · pith_short_12: DUOZWFH5PB4K · pith_short_16: DUOZWFH5PB4KFSRV · pith_short_8: DUOZWFH5

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/DUOZWFH5PB4KFSRV34LVHGNVHE \
  | 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: 1d1d9b14fd7878a2ca35df175399b53931a3607bc35197f12a4f5cd225afc414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8425b34efa67ed3f0dd6e29e88ac49f48002a41cb8405197bf29d25e868d06bc",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-11-07T22:13:04Z",
    "title_canon_sha256": "0da44763d188ed36e2705c8087ca0ffa960075b108df6e5d5816537a4d77cefa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03167",
    "kind": "arxiv",
    "version": 1
  }
}