Pith Number

pith:QXMGWBWQ

pith:2017:QXMGWBWQT6N5IVJDAUD7WUP5RD

not attested not anchored not stored refs pending

Idempotents in triangulated monoidal categories

Matthew Hogancamp

arxiv:1703.01001 v1 · 2017-03-03 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QXMGWBWQT6N5IVJDAUD7WUP5RD}

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	2026-05-18T00:49:37.265456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85d86b06d09f9bd455230507fb51fd88dcb1c3bf68db69e973e5c4be27590696

Aliases

arxiv: 1703.01001 · arxiv_version: 1703.01001v1 · doi: 10.48550/arxiv.1703.01001 · pith_short_12: QXMGWBWQT6N5 · pith_short_16: QXMGWBWQT6N5IVJD · pith_short_8: QXMGWBWQ

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/QXMGWBWQT6N5IVJDAUD7WUP5RD \
  | 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: 85d86b06d09f9bd455230507fb51fd88dcb1c3bf68db69e973e5c4be27590696

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f36d6c2aafd1383541e4091ff772d0f9a3316080fd9459f34946236781ecd477",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2017-03-03T00:26:59Z",
    "title_canon_sha256": "97f34e0ac36643e2dfc7ef5e0bfb8f54a6cbcb1ed8f75e5e6e114da640e83c17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01001",
    "kind": "arxiv",
    "version": 1
  }
}