Pith Number

pith:RT6APCOL

pith:2019:RT6APCOLAXVBITTKRACQF5QHAG

not attested not anchored not stored refs pending

Re-pairing brackets

Dmitry Chistikov, Mikhail Vyalyi

arxiv:1904.08402 v1 · 2019-04-17 · cs.FL · cs.LO · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RT6APCOLAXVBITTKRACQF5QHAG}

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	2026-05-17T23:48:17.790106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cfc0789cb05ea144e6a880502f60701ab7c98b79445abb16be9dc200f53399c

Aliases

arxiv: 1904.08402 · arxiv_version: 1904.08402v1 · doi: 10.48550/arxiv.1904.08402 · pith_short_12: RT6APCOLAXVB · pith_short_16: RT6APCOLAXVBITTK · pith_short_8: RT6APCOL

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/RT6APCOLAXVBITTKRACQF5QHAG \
  | 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: 8cfc0789cb05ea144e6a880502f60701ab7c98b79445abb16be9dc200f53399c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b466aec922e6efea875ce02d920880cc25dab4c044361292afd07788a80aa38c",
    "cross_cats_sorted": [
      "cs.LO",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-04-17T17:57:41Z",
    "title_canon_sha256": "e633b0938a40823658b4c6296dec07e440242e080e4db88b33791f7a6964f9ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08402",
    "kind": "arxiv",
    "version": 1
  }
}