Pith Number

pith:HAXDXYYI

pith:2019:HAXDXYYIA66AZMQAM2TYVE27F7

not attested not anchored not stored refs pending

Oblivious Location-Based Service Query

Jinguang Han

arxiv:1907.03045 v1 · 2019-07-05 · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HAXDXYYIA66AZMQAM2TYVE27F7}

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	2026-05-17T23:41:19.063183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

382e3be30807bc0cb20066a78a935f2fcad77438d502bdf59ca7b30ab7ed4b9d

Aliases

arxiv: 1907.03045 · arxiv_version: 1907.03045v1 · doi: 10.48550/arxiv.1907.03045 · pith_short_12: HAXDXYYIA66A · pith_short_16: HAXDXYYIA66AZMQA · pith_short_8: HAXDXYYI

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/HAXDXYYIA66AZMQAM2TYVE27F7 \
  | 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: 382e3be30807bc0cb20066a78a935f2fcad77438d502bdf59ca7b30ab7ed4b9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06ebc1c1c86361ccbf3f9b653df6b13fc59d64011e4e30295c3e8da42595165f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-07-05T23:07:41Z",
    "title_canon_sha256": "0e54f2a6f79737c98cf901ef230ad32e1a2961190242c775f5e8cd2f9100ac06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03045",
    "kind": "arxiv",
    "version": 1
  }
}