Pith Number

pith:PD6T3A3K

pith:2017:PD6T3A3K26OPISMZIDKM52TWNY

not attested not anchored not stored refs pending

The KeYmaera X Proof IDE - Concepts on Usability in Hybrid Systems Theorem Proving

Andr\'e Platzer (Computer Science Department, Carnegie Mellon University), Stefan Mitsch (Computer Science Department

arxiv:1701.08469 v1 · 2017-01-30 · cs.LO · cs.HC · 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{PD6T3A3K26OPISMZIDKM52TWNY}

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	2026-05-18T00:51:54.028813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78fd3d836ad79cf4499940d4ceea766e0c04d213cd173ac5eecf7ae7b2c44424

Aliases

arxiv: 1701.08469 · arxiv_version: 1701.08469v1 · doi: 10.48550/arxiv.1701.08469 · pith_short_12: PD6T3A3K26OP · pith_short_16: PD6T3A3K26OPISMZ · pith_short_8: PD6T3A3K

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/PD6T3A3K26OPISMZIDKM52TWNY \
  | 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: 78fd3d836ad79cf4499940d4ceea766e0c04d213cd173ac5eecf7ae7b2c44424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3245de5dedcc02d87d09d9eb02a9ecdf847c3375b61be8c9952ffd1bf88ed02",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-01-30T03:33:24Z",
    "title_canon_sha256": "16391b8d1a0317d405c6256fa7c3d1e982c892f87e2a2ca61151278d458659eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08469",
    "kind": "arxiv",
    "version": 1
  }
}