Pith Number

pith:UXNFQNZ7

pith:2025:UXNFQNZ72V67Z3WCRCTGYSOEA5

not attested not anchored not stored refs pending

A General Coding Framework for Adaptive Private Information Retrieval

Jinbao Zhu, Xiaohu Tang

arxiv:2506.07787 v1 · 2025-06-09 · 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{UXNFQNZ72V67Z3WCRCTGYSOEA5}

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	2026-07-05T11:18:33.404054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5da58373fd57dfceec288a66c49c4077273091b0a298e5ff24c6a35d7339b95

Aliases

arxiv: 2506.07787 · arxiv_version: 2506.07787v1 · doi: 10.48550/arxiv.2506.07787 · pith_short_12: UXNFQNZ72V67 · pith_short_16: UXNFQNZ72V67Z3WC · pith_short_8: UXNFQNZ7

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/UXNFQNZ72V67Z3WCRCTGYSOEA5 \
  | 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: a5da58373fd57dfceec288a66c49c4077273091b0a298e5ff24c6a35d7339b95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "206026256836d3b787a65192fb5c05cec200408123ebd8128e61e8f9104d8073",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-06-09T14:04:10Z",
    "title_canon_sha256": "0046ecf1b6bf0f67255af6dfbecda699781bc03ebe019db93875df085fde99df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.07787",
    "kind": "arxiv",
    "version": 1
  }
}