Pith Number

pith:JPFGW3QS

pith:2026:JPFGW3QSBLTYUNMBMAAOJ2K43N

not attested not anchored not stored refs pending

Arbitrarily Loss-Tolerant Quantum Position Verification in a Single Execution

Boris \v{S}kori\'c, Florian Speelman, Lloren\c{c} Escol\`a-Farr\`as

arxiv:2606.25037 v1 · 2026-06-23 · 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{JPFGW3QSBLTYUNMBMAAOJ2K43N}

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	2026-06-25T00:18:15.667498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bca6b6e120ae78a35816000e4e95cdb47cef10d434ef36f4723446340dd7b08

Aliases

arxiv: 2606.25037 · arxiv_version: 2606.25037v1 · doi: 10.48550/arxiv.2606.25037 · pith_short_12: JPFGW3QSBLTY · pith_short_16: JPFGW3QSBLTYUNMB · pith_short_8: JPFGW3QS

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/JPFGW3QSBLTYUNMBMAAOJ2K43N \
  | 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: 4bca6b6e120ae78a35816000e4e95cdb47cef10d434ef36f4723446340dd7b08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "623ac4a69a3888f4c3e5180bced2716ea8a71da2725b458470c1889390b43128",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-23T18:00:18Z",
    "title_canon_sha256": "93270154a8675b2b00cac154af20176b3a9dffcc7592cd23a204d6175862724d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25037",
    "kind": "arxiv",
    "version": 1
  }
}