Pith Number

pith:KL3BIDTZ

pith:2017:KL3BIDTZ72QR4ELYWIS5COE7UL

not attested not anchored not stored refs pending

The strength of SCT soundness

Emanuele Frittaion, Florian Pelupessy, Keita Yokoyama, Silvia Steila

arxiv:1709.09036 v1 · 2017-09-26 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KL3BIDTZ72QR4ELYWIS5COE7UL}

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.

Cited by

2 papers in Pith

Operational Inexpressibility at the Step-Duplicating Primitive Recursor Orientation Boundary

Receipt and verification

First computed	2026-05-18T00:34:21.308956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52f6140e79fea11e1178b225d1389fa2c557346bb4a04360a3afd8410a4e58b5

Aliases

arxiv: 1709.09036 · arxiv_version: 1709.09036v1 · doi: 10.48550/arxiv.1709.09036 · pith_short_12: KL3BIDTZ72QR · pith_short_16: KL3BIDTZ72QR4ELY · pith_short_8: KL3BIDTZ

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/KL3BIDTZ72QR4ELYWIS5COE7UL \
  | 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: 52f6140e79fea11e1178b225d1389fa2c557346bb4a04360a3afd8410a4e58b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4430daa58db93f99dffb6c461af1d17b4b936678a4968b4c5203fc771e9b14e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-09-26T14:24:29Z",
    "title_canon_sha256": "c32a41e9b1e3c76dd7230056c1b4200ed1d58ce257d1cdf12b77d286b312a7c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09036",
    "kind": "arxiv",
    "version": 1
  }
}