Pith Number

pith:4QN2K7GN

pith:2017:4QN2K7GNOLKOC33AIEYFECLFXN

not attested not anchored not stored refs pending

Symbolic Computation of the Worst-Case Execution Time of a Program

Cl\'ement Ballabriga, Giuseppe Lipari, Julien Forget

arxiv:1709.09369 v1 · 2017-09-27 · cs.PL · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QN2K7GNOLKOC33AIEYFECLFXN}

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	2026-05-18T00:33:34.447440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e41ba57ccd72d4e16f604130520965bb452c68c196e1a6e22676fc9bebc052eb

Aliases

arxiv: 1709.09369 · arxiv_version: 1709.09369v1 · doi: 10.48550/arxiv.1709.09369 · pith_short_12: 4QN2K7GNOLKO · pith_short_16: 4QN2K7GNOLKOC33A · pith_short_8: 4QN2K7GN

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/4QN2K7GNOLKOC33AIEYFECLFXN \
  | 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: e41ba57ccd72d4e16f604130520965bb452c68c196e1a6e22676fc9bebc052eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25b97d819f876e4ce52e73ad375d0ae39884e7697af1f908f01d949912ef3d1b",
    "cross_cats_sorted": [
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-09-27T07:40:57Z",
    "title_canon_sha256": "d33ab50da83db00c7e1f66b9d7d1ec727e799eab5d9924702f05b4359bbcbdc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09369",
    "kind": "arxiv",
    "version": 1
  }
}