Pith Number

pith:X4AF4DEP

pith:2019:X4AF4DEPGFVMRYZ43MNQVUZ374

not attested not anchored not stored refs pending

An Optimal Linear Error Correcting Delivery Scheme for Coded Caching with Shared Caches

Anoop Thomas, B. Sundar Rajan, Nujoom Sageer Karat, Spandan Dey

arxiv:1901.03188 v1 · 2019-01-08 · 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{X4AF4DEPGFVMRYZ43MNQVUZ374}

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	2026-05-17T23:56:35.290099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf005e0c8f316ac8e33cdb1b0ad33bff25722ab2a450fb05ee9f1b1da16833da

Aliases

arxiv: 1901.03188 · arxiv_version: 1901.03188v1 · doi: 10.48550/arxiv.1901.03188 · pith_short_12: X4AF4DEPGFVM · pith_short_16: X4AF4DEPGFVMRYZ4 · pith_short_8: X4AF4DEP

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/X4AF4DEPGFVMRYZ43MNQVUZ374 \
  | 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: bf005e0c8f316ac8e33cdb1b0ad33bff25722ab2a450fb05ee9f1b1da16833da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "542044d7535d87b86aa31f52e33150ff838f4aa55c54bb8410598f212b98575f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-08T23:38:07Z",
    "title_canon_sha256": "6944529c38b523af53cfe5c0efff4e1526e6cfec064553064c739d0234fdf237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03188",
    "kind": "arxiv",
    "version": 1
  }
}