Pith Number

pith:QA2QTPXZ

pith:2018:QA2QTPXZE63IELZ3ZMATYVGZUP

not attested not anchored not stored refs pending

On Coded Caching with Heterogeneous Distortion Requirements

Abdelrahman M. Ibrahim, Ahmed A. Zewail, Aylin Yener

arxiv:1802.10073 v1 · 2018-02-27 · 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{QA2QTPXZE63IELZ3ZMATYVGZUP}

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	2026-05-18T00:22:21.499010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

803509bef927b6822f3bcb013c54d9a3e6e084fb212f746f4ab9d677c982973d

Aliases

arxiv: 1802.10073 · arxiv_version: 1802.10073v1 · doi: 10.48550/arxiv.1802.10073 · pith_short_12: QA2QTPXZE63I · pith_short_16: QA2QTPXZE63IELZ3 · pith_short_8: QA2QTPXZ

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/QA2QTPXZE63IELZ3ZMATYVGZUP \
  | 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: 803509bef927b6822f3bcb013c54d9a3e6e084fb212f746f4ab9d677c982973d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f5804129b9228c6f9c9f1b9fc97e19c622a75c20d6db1d1bb924b761b4b51e5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-02-27T18:55:14Z",
    "title_canon_sha256": "42f0bf647c7e91c814cfcc8f4eaea2a95166a91fb47c8714b248a1f9f7b812ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10073",
    "kind": "arxiv",
    "version": 1
  }
}