Pith Number

pith:3AOKBXGK

pith:2019:3AOKBXGKNIFKYWG2WH7CXFPQQC

not attested not anchored not stored refs pending

Build It, Break It, Fix It: Contesting Secure Development

Andrew Ruef, Daniel Votipka, Dave Levin, James Parker, Kelsey R. Fulton, Michael Hicks, Michelle L. Mazurek, Piotr Mardziel

arxiv:1907.01679 v1 · 2019-07-02 · 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{3AOKBXGKNIFKYWG2WH7CXFPQQC}

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	2026-05-17T23:41:35.512420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d81ca0dcca6a0aac58dab1fe2b95f080aedd7ec89619caeaa50fedbce8d06c35

Aliases

arxiv: 1907.01679 · arxiv_version: 1907.01679v1 · doi: 10.48550/arxiv.1907.01679 · pith_short_12: 3AOKBXGKNIFK · pith_short_16: 3AOKBXGKNIFKYWG2 · pith_short_8: 3AOKBXGK

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/3AOKBXGKNIFKYWG2WH7CXFPQQC \
  | 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: d81ca0dcca6a0aac58dab1fe2b95f080aedd7ec89619caeaa50fedbce8d06c35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "835191e57d9af2524a81562c4d762da12b22a767edc16a948ba6b3ff046a035e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-07-02T23:30:52Z",
    "title_canon_sha256": "88ec3584be9052e5bd48aaba562bf92c6963807925702f798d7c7adcd08ceb29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01679",
    "kind": "arxiv",
    "version": 1
  }
}