Pith Number

pith:CEO4NW2F

pith:2026:CEO4NW2FLYT53ZMWS2TTUGZUGB

not attested not anchored not stored refs pending

Proof of Source of Funds: Efficient On-chain Provenance of Cryptoassets

Alireza Kavousi, Istv\'an Andr\'as Seres, Zhipeng Wang

arxiv:2606.10172 v1 · 2026-06-08 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CEO4NW2FLYT53ZMWS2TTUGZUGB}

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	2026-06-10T01:08:58.028949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

111dc6db455e27dde59696a73a1b3430580fadf199e4991161b30cfecb0245cf

Aliases

arxiv: 2606.10172 · arxiv_version: 2606.10172v1 · doi: 10.48550/arxiv.2606.10172 · pith_short_12: CEO4NW2FLYT5 · pith_short_16: CEO4NW2FLYT53ZMW · pith_short_8: CEO4NW2F

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/CEO4NW2FLYT53ZMWS2TTUGZUGB \
  | 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: 111dc6db455e27dde59696a73a1b3430580fadf199e4991161b30cfecb0245cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a41712e5666239cacbfdf1d6900d430b3d5d730281afb48e25c186424f132a2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-08T21:07:02Z",
    "title_canon_sha256": "afd625773ae746a4b7698a59acc4129009020c763328b60846cbfdfe4da20da5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.10172",
    "kind": "arxiv",
    "version": 1
  }
}