Pith Number

pith:IUI4O6M4

pith:2019:IUI4O6M4EPKSZIOE4VAA7ZI5BS

not attested not anchored not stored refs pending

Verification of Flat FIFO Systems

Alain Finkel, M. Praveen

arxiv:1908.07282 v5 · 2019-08-20 · cs.CC · 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{IUI4O6M4EPKSZIOE4VAA7ZI5BS}

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	2026-07-05T06:23:27.840743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4511c7799c23d52ca1c4e5400fe51d0cb5ab1675b82f3c6120dd8edff5c7420a

Aliases

arxiv: 1908.07282 · arxiv_version: 1908.07282v5 · doi: 10.48550/arxiv.1908.07282 · pith_short_12: IUI4O6M4EPKS · pith_short_16: IUI4O6M4EPKSZIOE · pith_short_8: IUI4O6M4

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/IUI4O6M4EPKSZIOE4VAA7ZI5BS \
  | 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: 4511c7799c23d52ca1c4e5400fe51d0cb5ab1675b82f3c6120dd8edff5c7420a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "269e913fa66134f9da0b2f8665cc7a2c02d8f9cda7a66534ca2b63d2cbe9ac1e",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-08-20T11:44:36Z",
    "title_canon_sha256": "14a9c237edda3e85b4c0cc0edf96941511c1e2beb99f52b1d2b637d207dcfe54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07282",
    "kind": "arxiv",
    "version": 5
  }
}