Pith Number

pith:AQRDZ5SP

pith:2026:AQRDZ5SPWC5DOHMJBDS4RECNSF

not attested not anchored not stored refs pending

MEM-finding with run-length compressed strings

Davide Cozzi, Paola Bonizzoni, Ragnar Groot Koerkamp, Travis Gagie, Younan Gao

arxiv:2608.01387 v1 · 2026-08-02 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AQRDZ5SPWC5DOHMJBDS4RECNSF}

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	2026-08-04T02:04:55.733049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04223cf64fb0ba371d8908e5c8904d916eb52a19fc20bd2eae92b443f0bb9f24

Aliases

arxiv: 2608.01387 · arxiv_version: 2608.01387v1 · doi: 10.48550/arxiv.2608.01387 · pith_short_12: AQRDZ5SPWC5D · pith_short_16: AQRDZ5SPWC5DOHMJ · pith_short_8: AQRDZ5SP

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/AQRDZ5SPWC5DOHMJBDS4RECNSF \
  | 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: 04223cf64fb0ba371d8908e5c8904d916eb52a19fc20bd2eae92b443f0bb9f24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f0b619387ab2e7df76fd74c84024311e3a91a89fe7d24f830e08dff74af1761",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-08-02T17:07:47Z",
    "title_canon_sha256": "72d16a961cab4adffcf111299587a78fa562bedf0e9c90799a429cc4ba73fc3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01387",
    "kind": "arxiv",
    "version": 1
  }
}