Pith Number

pith:HDNDOKIE

pith:2021:HDNDOKIEDYCNLSWSTCQEAPCV26

not attested not anchored not stored refs pending

Towards practical and error-robust quantum position verification

Florian Speelman, Harry Buhrman, Philip Verduyn Lunel, Rene Allerstorfer

arxiv:2106.12911 v2 · 2021-06-24 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDNDOKIEDYCNLSWSTCQEAPCV26}

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.

Cited by

1 paper in Pith

Towards experimental demonstration of quantum position verification using true single photons

Receipt and verification

First computed	2026-07-05T04:47:23.496365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38da3729041e04d5cad298a0403c55d7a7b23dc332066214309db558d567a9c7

Aliases

arxiv: 2106.12911 · arxiv_version: 2106.12911v2 · doi: 10.48550/arxiv.2106.12911 · pith_short_12: HDNDOKIEDYCN · pith_short_16: HDNDOKIEDYCNLSWS · pith_short_8: HDNDOKIE

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/HDNDOKIEDYCNLSWSTCQEAPCV26 \
  | 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: 38da3729041e04d5cad298a0403c55d7a7b23dc332066214309db558d567a9c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb16bca716ab05d7bcd20888fc133e461809cf580a738cc2f16a560203a43891",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-24T11:10:44Z",
    "title_canon_sha256": "108d84d8fadb8bbfad61ff2351edfd5c2918d3208310bdb9186d5dafb575d03a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.12911",
    "kind": "arxiv",
    "version": 2
  }
}