Pith Number

pith:4YFXKJPM

pith:2025:4YFXKJPMOWF3DWPNW34PJYCBL7

not attested not anchored not stored refs pending

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Klaus Schoeffmann, Sahar Nasirihaghighi

arxiv:2508.20560 v1 · 2025-08-28 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YFXKJPMOWF3DWPNW34PJYCBL7}

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	2026-07-05T12:00:54.839067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e60b7525ec758bb1d9edb6f8f4e0415fc6891b5b0170c7700016f62b5028492f

Aliases

arxiv: 2508.20560 · arxiv_version: 2508.20560v1 · doi: 10.48550/arxiv.2508.20560 · pith_short_12: 4YFXKJPMOWF3 · pith_short_16: 4YFXKJPMOWF3DWPN · pith_short_8: 4YFXKJPM

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/4YFXKJPMOWF3DWPNW34PJYCBL7 \
  | 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: e60b7525ec758bb1d9edb6f8f4e0415fc6891b5b0170c7700016f62b5028492f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aed2e986c9f0f1bf4d0fc9b395b065e31ff53df383ac66670dae3628ad512981",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2025-08-28T08:53:00Z",
    "title_canon_sha256": "cf114151ae15e711f5843c131248a5e0e88b300c8030853a737e031308f10990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.20560",
    "kind": "arxiv",
    "version": 1
  }
}