Pith Number

pith:VQKDHCLH

pith:2019:VQKDHCLHBKKLC4WDCWLC5DP5YU

not attested not anchored not stored refs pending

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I\~naki Esnaola, Michelle Effros, Miguel Arrieta

arxiv:1905.00111 v1 · 2019-04-30 · 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{VQKDHCLHBKKLC4WDCWLC5DP5YU}

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	2026-05-17T23:47:13.670305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac143389670a94b172c315962e8dfdc510bc22c267b0326141ecf24f410fbbfb

Aliases

arxiv: 1905.00111 · arxiv_version: 1905.00111v1 · doi: 10.48550/arxiv.1905.00111 · pith_short_12: VQKDHCLHBKKL · pith_short_16: VQKDHCLHBKKLC4WD · pith_short_8: VQKDHCLH

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/VQKDHCLHBKKLC4WDCWLC5DP5YU \
  | 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: ac143389670a94b172c315962e8dfdc510bc22c267b0326141ecf24f410fbbfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2da0846f49c6780ab602a9bc662a0327d63a21587637b0f798e41254124a00a0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-04-30T21:26:33Z",
    "title_canon_sha256": "3e96bed0a8feb4dd114d0dcfb998edb6e6f50fd30d258f3117619ac840ef621a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00111",
    "kind": "arxiv",
    "version": 1
  }
}