Pith Number

pith:6VLWPKNU

pith:2020:6VLWPKNUPOQRAUY776GTI2XLNU

not attested not anchored not stored refs pending

Comprehension and Knowledge

Kevin Ros, Pavel Naumov

arxiv:2012.06561 v2 · 2020-12-11 · cs.AI · cs.CL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6VLWPKNUPOQRAUY776GTI2XLNU}

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	2026-07-05T02:19:15.985711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f55767a9b47ba110531fff8d346aeb6d3bf300602d6ff794d30b2cacb3d1a995

Aliases

arxiv: 2012.06561 · arxiv_version: 2012.06561v2 · doi: 10.48550/arxiv.2012.06561 · pith_short_12: 6VLWPKNUPOQR · pith_short_16: 6VLWPKNUPOQRAUY7 · pith_short_8: 6VLWPKNU

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/6VLWPKNUPOQRAUY776GTI2XLNU \
  | 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: f55767a9b47ba110531fff8d346aeb6d3bf300602d6ff794d30b2cacb3d1a995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14761d986724b0bb7bd67d9c60d5d0b8ef0a8cca2d9ce1b1766ad7165dccbb45",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2020-12-11T18:42:08Z",
    "title_canon_sha256": "b50ee0987ba23ddd6ee9230d5dd74da18b11958f017338699877645ebeeadca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.06561",
    "kind": "arxiv",
    "version": 2
  }
}