Pith Number

pith:TIHGYUGJ

pith:2019:TIHGYUGJMOUCIXVCZ74CNQBMPU

not attested not anchored not stored refs pending

Privacy-Preserving Payment Splitting

Mihai Christodorescu, Payman Mohassel, Saba Eskandarian

arxiv:1911.09222 v1 · 2019-11-20 · 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{TIHGYUGJMOUCIXVCZ74CNQBMPU}

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	2026-07-05T00:20:57.567690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a0e6c50c963a8245ea2cff826c02c7d3a294048ad38c84f902813ed5b6797da

Aliases

arxiv: 1911.09222 · arxiv_version: 1911.09222v1 · doi: 10.48550/arxiv.1911.09222 · pith_short_12: TIHGYUGJMOUC · pith_short_16: TIHGYUGJMOUCIXVC · pith_short_8: TIHGYUGJ

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/TIHGYUGJMOUCIXVCZ74CNQBMPU \
  | 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: 9a0e6c50c963a8245ea2cff826c02c7d3a294048ad38c84f902813ed5b6797da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ec7401b7869d61265f0bf06ef2626dda18a6159d1b8f85f83e5885e594f2bc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-11-20T23:53:23Z",
    "title_canon_sha256": "6673e8840d8b1d9ab0b9a3ed7a0d4ab98ac01b607b139b51e55e58d5898a007a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09222",
    "kind": "arxiv",
    "version": 1
  }
}