Pith Number

pith:AAWGNF5E

pith:2014:AAWGNF5E6F5Z4VFPRVVWTUZ3VI

not attested not anchored not stored refs pending

Symbolic Solving of Extended Regular Expression Inequalities

Matthias Keil, Peter Thiemann

arxiv:1410.3227 v1 · 2014-10-13 · cs.FL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AAWGNF5E6F5Z4VFPRVVWTUZ3VI}

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	2026-05-18T02:40:11.784527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

002c6697a4f17b9e54af8d6b69d33baa344a29ce8db1b64056e8a414ebc89473

Aliases

arxiv: 1410.3227 · arxiv_version: 1410.3227v1 · doi: 10.48550/arxiv.1410.3227 · pith_short_12: AAWGNF5E6F5Z · pith_short_16: AAWGNF5E6F5Z4VFP · pith_short_8: AAWGNF5E

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/AAWGNF5E6F5Z4VFPRVVWTUZ3VI \
  | 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: 002c6697a4f17b9e54af8d6b69d33baa344a29ce8db1b64056e8a414ebc89473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a322839e0694d880588e12052da39567fee283f2b8b9bbbf9e058b5760febf9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2014-10-13T08:52:11Z",
    "title_canon_sha256": "170344ca3eeee96925e8f9ec0a99a96720c3744fb652ec9b009adf42ccf5f248"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3227",
    "kind": "arxiv",
    "version": 1
  }
}