Pith Number

pith:MRQIPEIH

pith:2019:MRQIPEIHIYOT2SBHV442OA7G3W

not attested not anchored not stored refs pending

Universal skein theory for group actions

Yunxiang Ren

arxiv:1903.02012 v1 · 2019-03-05 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MRQIPEIHIYOT2SBHV442OA7G3W}

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	2026-05-17T23:51:56.870235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6460879107461d3d4827af39a703e6dda962ecf6231ee4fab86dfe1e4030bafc

Aliases

arxiv: 1903.02012 · arxiv_version: 1903.02012v1 · doi: 10.48550/arxiv.1903.02012 · pith_short_12: MRQIPEIHIYOT · pith_short_16: MRQIPEIHIYOT2SBH · pith_short_8: MRQIPEIH

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/MRQIPEIHIYOT2SBHV442OA7G3W \
  | 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: 6460879107461d3d4827af39a703e6dda962ecf6231ee4fab86dfe1e4030bafc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9369010186bc0a04ebabeb6dc57ee005921fc5c7c9ba2aa0b62f34df9186e4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2019-03-05T19:01:01Z",
    "title_canon_sha256": "910982d6fbf6a6b7abd81c0dc28462c9e5dbc81db655f4dacbc7afd56270d567"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02012",
    "kind": "arxiv",
    "version": 1
  }
}