Pith Number

pith:QCSYYEL6

pith:2019:QCSYYEL6S5VEFYWWR7DSWZIQWK

not attested not anchored not stored refs pending

The Measure Game

David Simmons, Houston Schuerger, Lior Fishman, Logan Crone, Stephen Jackson

arxiv:1910.11181 v1 · 2019-10-24 · 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{QCSYYEL6S5VEFYWWR7DSWZIQWK}

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	2026-07-05T00:14:40.959949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80a58c117e976a42e2d68fc72b6510b29ce1a1764a5c96a0554de15a1f17f772

Aliases

arxiv: 1910.11181 · arxiv_version: 1910.11181v1 · doi: 10.48550/arxiv.1910.11181 · pith_short_12: QCSYYEL6S5VE · pith_short_16: QCSYYEL6S5VEFYWW · pith_short_8: QCSYYEL6

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/QCSYYEL6S5VEFYWWR7DSWZIQWK \
  | 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: 80a58c117e976a42e2d68fc72b6510b29ce1a1764a5c96a0554de15a1f17f772

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aafbaf9915a286f09ea79f026e5bedca275b1ab6a16686c6621db118d3b1f03e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-10-24T14:36:56Z",
    "title_canon_sha256": "98cf9d1b617a05306ff820468865ab15ea0d207b4acdff9f4872966da618c026"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.11181",
    "kind": "arxiv",
    "version": 1
  }
}