Pith Number

pith:7L5KZYEB

pith:2024:7L5KZYEB2TB53BPYGPDF5HQLXM

not attested not anchored not stored refs pending

Ning Cai: A Tribute to a Pioneering Scholar in Information Theory

Andreas Winter, Christian Deppe, Holger Boche, Ingo Alth\"ofer, Raymond W. Yeung, Ulrich Tamm

arxiv:2409.19398 v1 · 2024-09-28 · 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{7L5KZYEB2TB53BPYGPDF5HQLXM}

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	2026-07-05T09:13:14.902378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fafaace081d4c3dd85f833c65e9e0bbb23dff4d18db570d72de4eb89c9ee8b65

Aliases

arxiv: 2409.19398 · arxiv_version: 2409.19398v1 · doi: 10.48550/arxiv.2409.19398 · pith_short_12: 7L5KZYEB2TB5 · pith_short_16: 7L5KZYEB2TB53BPY · pith_short_8: 7L5KZYEB

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/7L5KZYEB2TB53BPYGPDF5HQLXM \
  | 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: fafaace081d4c3dd85f833c65e9e0bbb23dff4d18db570d72de4eb89c9ee8b65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af2ed420d4b68c7ef9a69c851ffbbeee263e6af49a8be9ac89454d76f6580905",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2024-09-28T16:18:59Z",
    "title_canon_sha256": "d09083b44247dfe69b5dcb2bdf2eb9482558760dec40e0293f5a3b646f99904d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.19398",
    "kind": "arxiv",
    "version": 1
  }
}