Pith Number

pith:TPC2OK2Q

pith:2021:TPC2OK2QXSGWO4EA47LHCPFHRS

not attested not anchored not stored refs pending

The Probabilistic Termination Tool Amber

Ezio Bartocci, Joost-Pieter Katoen, Laura Kov\'acs, Marcel Moosbrugger

arxiv:2107.13072 v1 · 2021-07-27 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TPC2OK2QXSGWO4EA47LHCPFHRS}

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	2026-07-05T03:01:25.989118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bc5a72b50bc8d677080e7d6713ca78c94f4b61a14a9c6396bee4c025e915292

Aliases

arxiv: 2107.13072 · arxiv_version: 2107.13072v1 · doi: 10.48550/arxiv.2107.13072 · pith_short_12: TPC2OK2QXSGW · pith_short_16: TPC2OK2QXSGWO4EA · pith_short_8: TPC2OK2Q

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/TPC2OK2QXSGWO4EA47LHCPFHRS \
  | 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: 9bc5a72b50bc8d677080e7d6713ca78c94f4b61a14a9c6396bee4c025e915292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dda123b273b14685769d7b4bdd062211e797a4e7b1ff72f755ab7ac498157d81",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2021-07-27T20:17:50Z",
    "title_canon_sha256": "725c6b7aea855d832d0c3a54b1056bf26b9d146525054a895d9e6b57416726d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13072",
    "kind": "arxiv",
    "version": 1
  }
}