pith. sign in
Pith Number

pith:AIQZCO6G

pith:2013:AIQZCO6GPOEH5CTPBOPFI5YY34
not attested not anchored not stored refs pending

Secure Source Coding with a Public Helper

Kittipong Kittichokechai, Mikael Skoglund, Tobias J. Oechtering, Tsachy Weissman, Yeow-Khiang Chia

arxiv:1307.1397 v1 · 2013-07-04 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AIQZCO6GPOEH5CTPBOPFI5YY34}

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 2026-05-18T03:19:13.791922Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0221913bc67b887e8a6f0b9e547718df0c1419173dc54d0482c88df2c2f40f21

Aliases

arxiv: 1307.1397 · arxiv_version: 1307.1397v1 · doi: 10.48550/arxiv.1307.1397 · pith_short_12: AIQZCO6GPOEH · pith_short_16: AIQZCO6GPOEH5CTP · pith_short_8: AIQZCO6G
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AIQZCO6GPOEH5CTPBOPFI5YY34 \
  | 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: 0221913bc67b887e8a6f0b9e547718df0c1419173dc54d0482c88df2c2f40f21
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1aa2d797a8aed9bbf0537ef7862dab87ada8920030552f567080df248ba8c472",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-04T16:28:49Z",
    "title_canon_sha256": "c2bcdff7a7d9019c5115c0fdd4912ce0b362f0ec92acf0b21d77e6edc3138ce0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1397",
    "kind": "arxiv",
    "version": 1
  }
}