Pith Number

pith:VGIK5RKH

pith:2021:VGIK5RKHP5MAZVJ4U2K4BSRTIL

not attested not anchored not stored refs pending

Maritime Just-in-time navigation with Quantum algorithms

Fabian Klos, Julian Wueschner, Matthias Imrecke, Michael Nowak, Wolfgang Mergenthaler

arxiv:2104.07978 v1 · 2021-04-16 · 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{VGIK5RKHP5MAZVJ4U2K4BSRTIL}

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	2026-07-05T02:32:39.733447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a990aec5477f580cd53ca695c0ca3342ebdd416a1d174b54c0666ba4af2f27de

Aliases

arxiv: 2104.07978 · arxiv_version: 2104.07978v1 · doi: 10.48550/arxiv.2104.07978 · pith_short_12: VGIK5RKHP5MA · pith_short_16: VGIK5RKHP5MAZVJ4 · pith_short_8: VGIK5RKH

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/VGIK5RKHP5MAZVJ4U2K4BSRTIL \
  | 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: a990aec5477f580cd53ca695c0ca3342ebdd416a1d174b54c0666ba4af2f27de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2dea88905c367daabb0165cc08274d390d440e18b2b5a435a0ce3ea921a9fb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-16T09:02:50Z",
    "title_canon_sha256": "f1b51fd2ed974620517772dc4393328dcae727a7876d1dded0f04659c2537eb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07978",
    "kind": "arxiv",
    "version": 1
  }
}