Pith Number

pith:64HMS4LP

pith:2015:64HMS4LP55CAI474UZUNLWBUAD

not attested not anchored not stored refs pending

Designing a Global Authentication Infrastructure

Adrian Perrig, Pawel Szalachowski, Raphael M. Reischuk, Stephanos Matsumoto, Tiffany Hyun-Jin Kim

arxiv:1506.03392 v2 · 2015-06-10 · 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{64HMS4LP55CAI474UZUNLWBUAD}

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	2026-05-18T01:51:24.683404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f70ec9716fef440473fca668d5d83400e5b607b546b96bd75354b09851f879ec

Aliases

arxiv: 1506.03392 · arxiv_version: 1506.03392v2 · doi: 10.48550/arxiv.1506.03392 · pith_short_12: 64HMS4LP55CA · pith_short_16: 64HMS4LP55CAI474 · pith_short_8: 64HMS4LP

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/64HMS4LP55CAI474UZUNLWBUAD \
  | 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: f70ec9716fef440473fca668d5d83400e5b607b546b96bd75354b09851f879ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "654748d1e3a037eb7d2bcba750d84060c0bafe15627e7fd8c7b955ecf747ba8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-06-10T16:55:22Z",
    "title_canon_sha256": "4218b291fc3cdea4edce0985aa616c41a3a416a23f874cb60d32ea637a241d87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03392",
    "kind": "arxiv",
    "version": 2
  }
}