Pith Number

pith:NZ54YR7T

pith:2015:NZ54YR7T6MSEWQAPETX56PFNMO

not attested not anchored not stored refs pending

Coding Schemes for Achieving Strong Secrecy at Negligible Cost

Badri Vellambi, Joerg Kliewer, Matthieu Bloch, Remi A. Chou

arxiv:1508.07920 v2 · 2015-08-31 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZ54YR7T6MSEWQAPETX56PFNMO}

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	2026-05-18T00:55:58.469143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e7bcc47f3f3244b400f24efdf3cad639ccc208ae3676477ac6f7ac2e34a120d

Aliases

arxiv: 1508.07920 · arxiv_version: 1508.07920v2 · doi: 10.48550/arxiv.1508.07920 · pith_short_12: NZ54YR7T6MSE · pith_short_16: NZ54YR7T6MSEWQAP · pith_short_8: NZ54YR7T

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/NZ54YR7T6MSEWQAPETX56PFNMO \
  | 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: 6e7bcc47f3f3244b400f24efdf3cad639ccc208ae3676477ac6f7ac2e34a120d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bce25c0ffe45a66e666548409f31d02106d977fbe751dffece987e5e67c1dce",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-08-31T17:11:38Z",
    "title_canon_sha256": "2487416f89dd4c857bbf3d2a2f3ca2a684bee5ae4d5f1c342d3934f3e76f774b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07920",
    "kind": "arxiv",
    "version": 2
  }
}