Pith Number

pith:HX6FHOCF

pith:2012:HX6FHOCFBX4FOQTDC5TQQHT3WR

not attested not anchored not stored refs pending

Recompression: a simple and powerful technique for word equations

Artur Je\.z

arxiv:1203.3705 v3 · 2012-03-16 · 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{HX6FHOCFBX4FOQTDC5TQQHT3WR}

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	2026-05-18T02:56:11.854674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dfc53b8450df85742631767081e7bb440e0bf740b9951d49e04b6d02286c33e

Aliases

arxiv: 1203.3705 · arxiv_version: 1203.3705v3 · doi: 10.48550/arxiv.1203.3705 · pith_short_12: HX6FHOCFBX4F · pith_short_16: HX6FHOCFBX4FOQTD · pith_short_8: HX6FHOCF

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/HX6FHOCFBX4FOQTDC5TQQHT3WR \
  | 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: 3dfc53b8450df85742631767081e7bb440e0bf740b9951d49e04b6d02286c33e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b80443081c907fac4366a1b070395cba95a195997c541f7c83ee14dbe0b41e2",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2012-03-16T13:43:45Z",
    "title_canon_sha256": "b1254cae5c18f82fd982c3eb87c1dc66364f7e7904f27a2211853b34831ec1c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3705",
    "kind": "arxiv",
    "version": 3
  }
}