Pith Number

pith:IKYBPRYC

pith:2019:IKYBPRYCYJ6G4V2FPB64AERCGD

not attested not anchored not stored refs pending

Anonymous State Pinning for Private Blockchains

John Brainard, Peter Robinson

arxiv:1903.02752 v1 · 2019-03-07 · 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{IKYBPRYCYJ6G4V2FPB64AERCGD}

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	2026-05-17T23:51:51.234382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42b017c702c27c6e5745787dc0122230c32add509ec5f5c970beefe59ebb616d

Aliases

arxiv: 1903.02752 · arxiv_version: 1903.02752v1 · doi: 10.48550/arxiv.1903.02752 · pith_short_12: IKYBPRYCYJ6G · pith_short_16: IKYBPRYCYJ6G4V2F · pith_short_8: IKYBPRYC

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/IKYBPRYCYJ6G4V2FPB64AERCGD \
  | 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: 42b017c702c27c6e5745787dc0122230c32add509ec5f5c970beefe59ebb616d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e41ffe29b36244b60b113fc57cafae565b9dc0bcd69fde5672988a5df5c6ff2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-03-07T07:12:00Z",
    "title_canon_sha256": "5dd0210be72f00b1c8b2eaa548cb37c61f6a45c15d84088f48b477ba119c720a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02752",
    "kind": "arxiv",
    "version": 1
  }
}