Pith Number

pith:FIS334XE

pith:2019:FIS334XERNZB7AWYMP4LTPYX5S

not attested not anchored not stored refs pending

$X$-secure $T$-private Information Retrieval from MDS Coded Storage with Byzantine and Unresponsive Servers

Syed A. Jafar, Zhuqing Jia

arxiv:1908.10854 v1 · 2019-08-28 · 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{FIS334XERNZB7AWYMP4LTPYX5S}

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	2026-07-05T00:00:21.770762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a25bdf2e48b721f82d863f8b9bf17ecb1eb28c3e63e95c5c99691739b375bac

Aliases

arxiv: 1908.10854 · arxiv_version: 1908.10854v1 · doi: 10.48550/arxiv.1908.10854 · pith_short_12: FIS334XERNZB · pith_short_16: FIS334XERNZB7AWY · pith_short_8: FIS334XE

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/FIS334XERNZB7AWYMP4LTPYX5S \
  | 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: 2a25bdf2e48b721f82d863f8b9bf17ecb1eb28c3e63e95c5c99691739b375bac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "257e9d63eb636caa5adda6760c4af7be4d899f96929e8522f52800aec6eb89d8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-08-28T17:53:52Z",
    "title_canon_sha256": "be83f51425660f72e0e9e3a7c60b2db5ce2abb2766ebb6b30cae18a9d86cb9f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10854",
    "kind": "arxiv",
    "version": 1
  }
}