Pith. sign in
Pith Number

pith:NEOI5M4R

pith:2021:NEOI5M4RLHQ4QGV27RFP22UQSP
not attested not anchored not stored refs pending

Grammar Equations

Bob Coecke, Vincent Wang

arxiv:2106.07485 v1 · 2021-06-14 · cs.CL · math.CT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NEOI5M4RLHQ4QGV27RFP22UQSP}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T02:49:05.686548Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

691c8eb39159e1c81abafc4afd6a9093c6f9235d0d4129a43dfd4c48943d9b15

Aliases

arxiv: 2106.07485 · arxiv_version: 2106.07485v1 · doi: 10.48550/arxiv.2106.07485 · pith_short_12: NEOI5M4RLHQ4 · pith_short_16: NEOI5M4RLHQ4QGV2 · pith_short_8: NEOI5M4R
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NEOI5M4RLHQ4QGV27RFP22UQSP \
  | 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: 691c8eb39159e1c81abafc4afd6a9093c6f9235d0d4129a43dfd4c48943d9b15
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0aa9cef22f4de2c221ec4834d40aabe02f8b501e0e04281b5f59e46c3f1ef3ac",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-06-14T15:16:09Z",
    "title_canon_sha256": "3bd9fc126fbdcf72b9b37113daf9cb5c6d330a53a495cb4c731a23207af9dc5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.07485",
    "kind": "arxiv",
    "version": 1
  }
}