Pith Number

pith:WEWSER7V

pith:2017:WEWSER7V3DRPHQYF3V2CPDZYEL

not attested not anchored not stored refs pending

Correspondence: Still no evidence for single photon detection by humans

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

arxiv:1707.09341 v3 · 2017-07-28 · 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{WEWSER7V3DRPHQYF3V2CPDZYEL}

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	2026-05-18T00:14:41.079979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b12d2247f5d8e2f3c305dd74278f3822e0920a295069fb2d596d16b931b9292f

Aliases

arxiv: 1707.09341 · arxiv_version: 1707.09341v3 · doi: 10.48550/arxiv.1707.09341 · pith_short_12: WEWSER7V3DRP · pith_short_16: WEWSER7V3DRPHQYF · pith_short_8: WEWSER7V

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/WEWSER7V3DRPHQYF3V2CPDZYEL \
  | 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: b12d2247f5d8e2f3c305dd74278f3822e0920a295069fb2d596d16b931b9292f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06dcd7c47850c8b6ce9c81744acb18285b7908d176f541c0fd7c6fe611720830",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-07-28T17:32:35Z",
    "title_canon_sha256": "d7940c8249f4ace745bc0a3ac0bc64f4fe6d7f6266ea7013074ecf79a6ca5f49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09341",
    "kind": "arxiv",
    "version": 3
  }
}