Pith Number

pith:MZPPUFN2

pith:2021:MZPPUFN2UJALA53ILSIVLFOA52

not attested not anchored not stored refs pending

A recipe for annotating grounded clarifications

Luciana Benotti, Patrick Blackburn

arxiv:2104.08964 v1 · 2021-04-18 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZPPUFN2UJALA53ILSIVLFOA52}

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	2026-07-05T04:40:06.877032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

665efa15baa240b077685c915595c0eeabe41b112ba8ff6ce20eb161c6ee96b6

Aliases

arxiv: 2104.08964 · arxiv_version: 2104.08964v1 · doi: 10.48550/arxiv.2104.08964 · pith_short_12: MZPPUFN2UJAL · pith_short_16: MZPPUFN2UJALA53I · pith_short_8: MZPPUFN2

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/MZPPUFN2UJALA53ILSIVLFOA52 \
  | 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: 665efa15baa240b077685c915595c0eeabe41b112ba8ff6ce20eb161c6ee96b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d0288ae0585a3b0314b6675c5db8ba23671d6e3876eb5ab5391c8dca9a4cdd1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-18T21:47:48Z",
    "title_canon_sha256": "62a623d02602be352de7fd7f3772daf81263cf2928e8b4003e094d911860d269"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.08964",
    "kind": "arxiv",
    "version": 1
  }
}