Pith Number

pith:HAZP6VH2

pith:2017:HAZP6VH2JTPLKDSDVXJAPPGOSU

not attested not anchored not stored refs pending

A Novel Index Coding Scheme and its Application to Coded Caching

Daniela Tuninetti, Kai Wan, Pablo Piantanida

arxiv:1702.07265 v1 · 2017-02-23 · 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{HAZP6VH2JTPLKDSDVXJAPPGOSU}

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	2026-05-18T00:50:07.643125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3832ff54fa4cdeb50e43add207bcce95119d990323652e687a93fd7a0462afc1

Aliases

arxiv: 1702.07265 · arxiv_version: 1702.07265v1 · doi: 10.48550/arxiv.1702.07265 · pith_short_12: HAZP6VH2JTPL · pith_short_16: HAZP6VH2JTPLKDSD · pith_short_8: HAZP6VH2

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/HAZP6VH2JTPLKDSDVXJAPPGOSU \
  | 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: 3832ff54fa4cdeb50e43add207bcce95119d990323652e687a93fd7a0462afc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22cee60f5be9a2835ce3233500029f0865f27cc9ba53271b9b01205e714b25a5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-23T15:52:39Z",
    "title_canon_sha256": "264005d19bcad3e1e93c6c167c754d0131f91e243783125210b4ea5b75177c65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07265",
    "kind": "arxiv",
    "version": 1
  }
}