Pith Number

pith:WXJC7ZH5

pith:2015:WXJC7ZH5IWUSZUFPWXW63OHEM3

not attested not anchored not stored refs pending

Information-Theoretic Caching: Sequential Coding for Computing

Chien-Yi Wang, Michael Gastpar, Sung Hoon Lim

arxiv:1504.00553 v2 · 2015-04-02 · 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{WXJC7ZH5IWUSZUFPWXW63OHEM3}

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	2026-05-18T00:58:35.923486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5d22fe4fd45a92cd0afb5ededb8e466dc890bdc6a397652ec655643c1876021

Aliases

arxiv: 1504.00553 · arxiv_version: 1504.00553v2 · doi: 10.48550/arxiv.1504.00553 · pith_short_12: WXJC7ZH5IWUS · pith_short_16: WXJC7ZH5IWUSZUFP · pith_short_8: WXJC7ZH5

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/WXJC7ZH5IWUSZUFPWXW63OHEM3 \
  | 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: b5d22fe4fd45a92cd0afb5ededb8e466dc890bdc6a397652ec655643c1876021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4ca8d5a11029908d6b11a84461a14cb5b1b9b83a44b05f0f7e9800d2c59b92d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-02T13:37:10Z",
    "title_canon_sha256": "a109a17035cc60faa093a32ebcad27bccad90f31d18f331d6d0c1f4fc01fb373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00553",
    "kind": "arxiv",
    "version": 2
  }
}