Pith Number

pith:5UIAIQ5Y

pith:2019:5UIAIQ5YXCN5VK7EHCTPFTTXXL

not attested not anchored not stored refs pending

Undecidability of future timeline-based planning over dense temporal domains

Adriano Peron, Alberto Molinari, Angelo Montanari, Laura Bozzelli

arxiv:1904.09184 v1 · 2019-04-18 · 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{5UIAIQ5YXCN5VK7EHCTPFTTXXL}

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	2026-05-17T23:48:08.079977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed100443b8b89bdaabe438a6f2ce77baf02609873b7b1a1b201f63b44ce8810d

Aliases

arxiv: 1904.09184 · arxiv_version: 1904.09184v1 · doi: 10.48550/arxiv.1904.09184 · pith_short_12: 5UIAIQ5YXCN5 · pith_short_16: 5UIAIQ5YXCN5VK7E · pith_short_8: 5UIAIQ5Y

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/5UIAIQ5YXCN5VK7EHCTPFTTXXL \
  | 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: ed100443b8b89bdaabe438a6f2ce77baf02609873b7b1a1b201f63b44ce8810d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb278c6635367dc7d699ccbceb7b0583c56adb21cff289d8d28967e0959c5843",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-04-18T07:59:44Z",
    "title_canon_sha256": "a56bd5a6de0e126d594c87f1662adaa84dabfc8630daba924d96bdd0cfa5eeb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09184",
    "kind": "arxiv",
    "version": 1
  }
}