Pith Number

pith:NBMVQG2H

pith:2019:NBMVQG2HQW54NKYAB3C3JMQCUR

not attested not anchored not stored refs pending

Sidechains and interoperability

John Brainard, Peter Robinson, Sandra Johnson

arxiv:1903.04077 v2 · 2019-03-10 · 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{NBMVQG2HQW54NKYAB3C3JMQCUR}

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	2026-05-17T23:50:40.580090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6859581b4785bbc6ab000ec5b4b202a47fbc7af40a802d917a140eea59fd727e

Aliases

arxiv: 1903.04077 · arxiv_version: 1903.04077v2 · doi: 10.48550/arxiv.1903.04077 · pith_short_12: NBMVQG2HQW54 · pith_short_16: NBMVQG2HQW54NKYA · pith_short_8: NBMVQG2H

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/NBMVQG2HQW54NKYAB3C3JMQCUR \
  | 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: 6859581b4785bbc6ab000ec5b4b202a47fbc7af40a802d917a140eea59fd727e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dee8aff6473a78f5f076b9f613807c3aa8018ec07a468830f3fdd0dd9fad9e3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-03-10T23:43:00Z",
    "title_canon_sha256": "eaf5375e3e4f9b57a12ade1142b662d0c285625eb55ace4e761f903a776a790e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04077",
    "kind": "arxiv",
    "version": 2
  }
}