Pith Number

pith:FOPFF5IB

pith:2014:FOPFF5IBA77IBMGYAAZYKUE22F

not attested not anchored not stored refs pending

Unshared Secret Key Cryptography

Emanuele Viterbo, Shuiyin Liu, Yi Hong

arxiv:1410.5021 v1 · 2014-10-19 · 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{FOPFF5IBA77IBMGYAAZYKUE22F}

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	2026-05-18T02:39:47.176472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b9e52f50107fe80b0d8003385509ad15f6d4dab9a27c49939523450d72d0ea1

Aliases

arxiv: 1410.5021 · arxiv_version: 1410.5021v1 · doi: 10.48550/arxiv.1410.5021 · pith_short_12: FOPFF5IBA77I · pith_short_16: FOPFF5IBA77IBMGY · pith_short_8: FOPFF5IB

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/FOPFF5IBA77IBMGYAAZYKUE22F \
  | 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: 2b9e52f50107fe80b0d8003385509ad15f6d4dab9a27c49939523450d72d0ea1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ebfa801e54ca7924e1fb6d07ae9c8a0be739bb4965595d4275f1164b4d5f9d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2014-10-19T01:10:52Z",
    "title_canon_sha256": "a3d376fa8fe9efa9fce74dd64ec9e3115566bba9b2559a7def3fb699bab2e843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5021",
    "kind": "arxiv",
    "version": 1
  }
}