Pith Number

pith:MKEWP2DH

pith:2017:MKEWP2DHFJDPZVLJUE7IBPSOP7

not attested not anchored not stored refs pending

Exponential Strong Converse for Content Identification with Lossy Recovery

Lei Yu, Lin Zhou, Mehul Motani, Vincent Y. F. Tan

arxiv:1702.06649 v2 · 2017-02-22 · 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{MKEWP2DHFJDPZVLJUE7IBPSOP7}

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	2026-05-18T00:27:21.732085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

628967e8672a46fcd569a13e80be4e7feacac116d15fcdf7e8e2b5043dad2bec

Aliases

arxiv: 1702.06649 · arxiv_version: 1702.06649v2 · doi: 10.48550/arxiv.1702.06649 · pith_short_12: MKEWP2DHFJDP · pith_short_16: MKEWP2DHFJDPZVLJ · pith_short_8: MKEWP2DH

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/MKEWP2DHFJDPZVLJUE7IBPSOP7 \
  | 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: 628967e8672a46fcd569a13e80be4e7feacac116d15fcdf7e8e2b5043dad2bec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d50dfea91b6575ac9218be12485fc79237f36adb11ff9b6da3fe8801b5b199ba",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-22T02:18:33Z",
    "title_canon_sha256": "7e86e6b0a2b04253ded18a13a2853219fcaf65c706532f12c59623a87f677a2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06649",
    "kind": "arxiv",
    "version": 2
  }
}