Pith Number

pith:PDYRHDCD

pith:2021:PDYRHDCDHYOGPNYMN43UHH7HTZ

not attested not anchored not stored refs pending

Composing Conversational Negation

Benjamin Rodatz, Bob Coecke, Lia Yeh, Razin A. Shaikh

arxiv:2107.06820 v2 · 2021-07-14 · cs.CL · 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{PDYRHDCDHYOGPNYMN43UHH7HTZ}

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	2026-07-05T05:12:48.817916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78f1138c433e1c67b70c6f37439fe79e709a014ad59725fd1ff1eca6e791285b

Aliases

arxiv: 2107.06820 · arxiv_version: 2107.06820v2 · doi: 10.48550/arxiv.2107.06820 · pith_short_12: PDYRHDCDHYOG · pith_short_16: PDYRHDCDHYOGPNYM · pith_short_8: PDYRHDCD

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/PDYRHDCDHYOGPNYMN43UHH7HTZ \
  | 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: 78f1138c433e1c67b70c6f37439fe79e709a014ad59725fd1ff1eca6e791285b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee0b6cf8801132ae7485a99ca131aecddee9a271ca7601501f6f5e579e7797dc",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-07-14T16:24:41Z",
    "title_canon_sha256": "c8c8aa4441756cd3bc8fd040ac10a19728e760aabac71da93e5c88272d6720b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06820",
    "kind": "arxiv",
    "version": 2
  }
}