Pith Number

pith:N4Q5A4WI

pith:2018:N4Q5A4WI2XW3Y2QM7KMBOYAXKB

not attested not anchored not stored refs pending

Testing the limits of human vision with quantum states of light: past, present, and future experiments

Michelle M. Victora, Paul G. Kwiat, Ranxiao Frances Wang, Rebecca M. Holmes

arxiv:1806.08430 v1 · 2018-06-21 · 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{N4Q5A4WI2XW3Y2QM7KMBOYAXKB}

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	2026-05-18T00:12:37.359025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f21d072c8d5edbc6a0cfa981760175067c7069f2e0634ef3c8d0085e2b67ebc

Aliases

arxiv: 1806.08430 · arxiv_version: 1806.08430v1 · doi: 10.48550/arxiv.1806.08430 · pith_short_12: N4Q5A4WI2XW3 · pith_short_16: N4Q5A4WI2XW3Y2QM · pith_short_8: N4Q5A4WI

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/N4Q5A4WI2XW3Y2QM7KMBOYAXKB \
  | 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: 6f21d072c8d5edbc6a0cfa981760175067c7069f2e0634ef3c8d0085e2b67ebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd65b6e6673a7b2ef38655539f6d7fcef90be8d0f0b809dc3f6ee5994b006455",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-21T21:41:39Z",
    "title_canon_sha256": "287131a48cf73f90e4943e8481a7c8092388c194713c5a516e8061073d48ea72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08430",
    "kind": "arxiv",
    "version": 1
  }
}