Pith Number

pith:DPR7AR7P

pith:2024:DPR7AR7PAJF6RZ42CH2CCXYWFS

not attested not anchored not stored refs pending

Explaining vague language

Benjamin Spector, Paul \'Egr\'e

arxiv:2404.18154 v2 · 2024-04-28 · cs.CL · cs.GT · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPR7AR7PAJF6RZ42CH2CCXYWFS}

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	2026-07-05T11:45:52.663969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be3f047ef024be8e79a11f4215f162c8c7689a150c98b7ec34b84b80e8e0786

Aliases

arxiv: 2404.18154 · arxiv_version: 2404.18154v2 · doi: 10.48550/arxiv.2404.18154 · pith_short_12: DPR7AR7PAJF6 · pith_short_16: DPR7AR7PAJF6RZ42 · pith_short_8: DPR7AR7P

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/DPR7AR7PAJF6RZ42CH2CCXYWFS \
  | 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: 1be3f047ef024be8e79a11f4215f162c8c7689a150c98b7ec34b84b80e8e0786

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1c6c00aa226447f36825a8fb56beac25e8030920f4ddd13cfa2cc946cf30494",
    "cross_cats_sorted": [
      "cs.GT",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-04-28T12:11:34Z",
    "title_canon_sha256": "2fdb00a57b78affbb87fe3c6760c49c5a35a32bbca658c6adca7dfa904725ace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.18154",
    "kind": "arxiv",
    "version": 2
  }
}