Pith Number

pith:ZIQIUN7X

pith:2017:ZIQIUN7X74HUPQIIFDCDRWDT5R

not attested not anchored not stored refs pending

Efficient Algorithms for Checking Fast Termination in VASS

Anton\'in Ku\v{c}era, Dominik Velan, Krishnendu Chatterjee, Petr Novotn\'y, Tom\'a\v{s} Br\'azdil

arxiv:1708.09253 v1 · 2017-08-29 · cs.LO · cs.CC · cs.DS · 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{ZIQIUN7X74HUPQIIFDCDRWDT5R}

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	2026-05-18T00:36:20.453743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca208a37f7ff0f47c10828c438d873ec40e61019bc1a8999cac6d080026f68b7

Aliases

arxiv: 1708.09253 · arxiv_version: 1708.09253v1 · doi: 10.48550/arxiv.1708.09253 · pith_short_12: ZIQIUN7X74HU · pith_short_16: ZIQIUN7X74HUPQII · pith_short_8: ZIQIUN7X

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/ZIQIUN7X74HUPQIIFDCDRWDT5R \
  | 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: ca208a37f7ff0f47c10828c438d873ec40e61019bc1a8999cac6d080026f68b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "235c13575f747adae64f2ba0c2eadcdd35f781d01a8e9da7e23e335b1c4a2a93",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS",
      "cs.FL"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-08-29T12:29:41Z",
    "title_canon_sha256": "83173bd7f6d478e72acd4bede4ea0b6186d8f80b11b066280d81139c2897be04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09253",
    "kind": "arxiv",
    "version": 1
  }
}