Pith Number

pith:DQR2MQGS

pith:2018:DQR2MQGSP6PHIBFYI2YOHASYB7

not attested not anchored not stored refs pending

Kernels, Truth and Satisfaction

James H. Schmerl

arxiv:1807.11832 v1 · 2018-07-31 · 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{DQR2MQGSP6PHIBFYI2YOHASYB7}

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	2026-05-18T00:09:20.981345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c23a640d27f9e7404b846b0e382580fcb36c8fbaac82f4e70a581014d5b5083

Aliases

arxiv: 1807.11832 · arxiv_version: 1807.11832v1 · doi: 10.48550/arxiv.1807.11832 · pith_short_12: DQR2MQGSP6PH · pith_short_16: DQR2MQGSP6PHIBFY · pith_short_8: DQR2MQGS

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/DQR2MQGSP6PHIBFYI2YOHASYB7 \
  | 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: 1c23a640d27f9e7404b846b0e382580fcb36c8fbaac82f4e70a581014d5b5083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13493f0b08eb4fa042e33d8bd6013a41b911f20655117618eb893525ff5c21e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-07-31T14:17:36Z",
    "title_canon_sha256": "ac3c1abce58b7de8b7d7f267a684cafc0aa29e6206042495e677e0ade84603b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11832",
    "kind": "arxiv",
    "version": 1
  }
}