Pith Number

pith:C2H22SLA

pith:2022:C2H22SLAZXVWKVRQWZAVTRPOTO

not attested not anchored not stored refs pending

FRA-RIR: Fast Random Approximation of the Image-source Method

Jianwei Yu, Yi Luo

arxiv:2208.04101 v1 · 2022-08-08 · eess.AS · cs.SD · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2H22SLAZXVWKVRQWZAVTRPOTO}

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	2026-07-05T04:46:47.758850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

168fad4960cdeb655630b64159c5ee9b9a0632a0d4afdbc8b7a51db574125736

Aliases

arxiv: 2208.04101 · arxiv_version: 2208.04101v1 · doi: 10.48550/arxiv.2208.04101 · pith_short_12: C2H22SLAZXVW · pith_short_16: C2H22SLAZXVWKVRQ · pith_short_8: C2H22SLA

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/C2H22SLAZXVWKVRQWZAVTRPOTO \
  | 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: 168fad4960cdeb655630b64159c5ee9b9a0632a0d4afdbc8b7a51db574125736

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "620ec8558a3920c16acec5f92834de601628ad8e2fdb2c54e3c631cb0e5a5fd6",
    "cross_cats_sorted": [
      "cs.SD",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2022-08-08T12:46:30Z",
    "title_canon_sha256": "cba27212fc078ae7c3abd5ce91f5bc1d925387ede777c3fbf5cdc6ca7ad3e533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.04101",
    "kind": "arxiv",
    "version": 1
  }
}