Pith Number

pith:MPBGZRU5

pith:2025:MPBGZRU5HYXAXF3PUF5YULM2ZW

not attested not anchored not stored refs pending

Quantum position verification in one shot: parallel repetition of the $f$-BB84 and $f$-routing protocols

Florian Speelman, Lloren\c{c} Escol\`a-Farr\`as

arxiv:2503.09544 v1 · 2025-03-12 · 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{MPBGZRU5HYXAXF3PUF5YULM2ZW}

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

3 papers in Pith

Arbitrarily Loss-Tolerant Quantum Position Verification in a Single Execution

Equivalence of non-local computation tasks beyond Clifford operations

Lower bounds on non-local computation from controllable correlation

Receipt and verification

First computed	2026-07-05T10:29:58.049792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63c26cc69d3e2e0b976fa17b8a2d9acdbd8e408ed59d1b7146d49ec2665f75c0

Aliases

arxiv: 2503.09544 · arxiv_version: 2503.09544v1 · doi: 10.48550/arxiv.2503.09544 · pith_short_12: MPBGZRU5HYXA · pith_short_16: MPBGZRU5HYXAXF3P · pith_short_8: MPBGZRU5

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/MPBGZRU5HYXAXF3PUF5YULM2ZW \
  | 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: 63c26cc69d3e2e0b976fa17b8a2d9acdbd8e408ed59d1b7146d49ec2665f75c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49373052eb427c84d2ffaa3c7515a8fd983fa7b87e53718371659e2819fe22ac",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-12T17:00:32Z",
    "title_canon_sha256": "6dbe8ad40d171e9bfcdfa860b5a132c3e00eed3be07de17aded1a3b45e2183a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.09544",
    "kind": "arxiv",
    "version": 1
  }
}