Pith Number

pith:YPUQ36L5

pith:2018:YPUQ36L5EMXNVEFYNGRLDQ3LOC

not attested not anchored not stored refs pending

Virtual Tribrackets

Sam Nelson, Shane Pico

arxiv:1803.03210 v2 · 2018-03-08 · math.GT · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPUQ36L5EMXNVEFYNGRLDQ3LOC}

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	2026-05-17T23:58:56.104993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3e90df97d232eda90b869a2b1c36b70aaf40b0a85427caaaec3850876b09bd3

Aliases

arxiv: 1803.03210 · arxiv_version: 1803.03210v2 · doi: 10.48550/arxiv.1803.03210 · pith_short_12: YPUQ36L5EMXN · pith_short_16: YPUQ36L5EMXNVEFY · pith_short_8: YPUQ36L5

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/YPUQ36L5EMXNVEFYNGRLDQ3LOC \
  | 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: c3e90df97d232eda90b869a2b1c36b70aaf40b0a85427caaaec3850876b09bd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3232a001026b3965196db2312ef28a4ed35eaddbb739f9727b41582605c64843",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-03-08T17:27:33Z",
    "title_canon_sha256": "45545950c3a0b12d339ffc420337de3bc8fce8a7260583f02716706be410e705"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03210",
    "kind": "arxiv",
    "version": 2
  }
}