Pith Number

pith:DCMV27EY

pith:2022:DCMV27EYFGGOA3I7NVXWEHAYBR

not attested not anchored not stored refs pending

Average-Case to (shifted) Worst-Case Reduction for the Trace Reconstruction Problem

Ittai Rubinstein

arxiv:2207.11489 v2 · 2022-07-23 · cs.IT · cs.DS · math.IT · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCMV27EYFGGOA3I7NVXWEHAYBR}

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.

Cited by

1 paper in Pith

A Generalized Trace Reconstruction Problem: Recovering a String of Probabilities

Receipt and verification

First computed	2026-07-05T04:47:59.187386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18995d7c98298ce06d1f6d6f621c180c5254c355832a72454ea092b0d06e128c

Aliases

arxiv: 2207.11489 · arxiv_version: 2207.11489v2 · doi: 10.48550/arxiv.2207.11489 · pith_short_12: DCMV27EYFGGO · pith_short_16: DCMV27EYFGGOA3I7 · pith_short_8: DCMV27EY

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/DCMV27EYFGGOA3I7NVXWEHAYBR \
  | 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: 18995d7c98298ce06d1f6d6f621c180c5254c355832a72454ea092b0d06e128c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10770e62effb7e51234214fbdf572eeba7c9d9bb8cdf8d79e03f5deb78ea3a74",
    "cross_cats_sorted": [
      "cs.DS",
      "math.IT",
      "math.PR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-07-23T10:41:49Z",
    "title_canon_sha256": "b25ed1060dfa1de1fcee1ae89cef5dd1fb8747660d2e03f821f5717d42ffc739"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.11489",
    "kind": "arxiv",
    "version": 2
  }
}