Pith Number

pith:N64WTVHG

pith:2012:N64WTVHGKHJOPP6657F53L4Z7T

not attested not anchored not stored refs pending

Free Running Single Photon Detection based on a negative feedback InGaAs APD

Claudio Barreiro, Hugo Zbinden, Mark A. Itzler, Olivier Guinnard, Raphael Houlmann, Tommaso Lunghi, Xudong Jiang

arxiv:1204.4594 v1 · 2012-04-20 · physics.ins-det · 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{N64WTVHGKHJOPP6657F53L4Z7T}

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	2026-05-18T01:57:48.241523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fb969d4e651d2e7bfdeefcbddaf99fce8f3a5502f93cb8b2f2975ed28c4cdf5

Aliases

arxiv: 1204.4594 · arxiv_version: 1204.4594v1 · doi: 10.48550/arxiv.1204.4594 · pith_short_12: N64WTVHGKHJO · pith_short_16: N64WTVHGKHJOPP66 · pith_short_8: N64WTVHG

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/N64WTVHGKHJOPP6657F53L4Z7T \
  | 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: 6fb969d4e651d2e7bfdeefcbddaf99fce8f3a5502f93cb8b2f2975ed28c4cdf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a8eb131f16427f18e14114ea343faf8fcc1bc6b8f30262ee9a1a3c03ccf51fb",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2012-04-20T12:03:32Z",
    "title_canon_sha256": "804050636fdcafe888a71bf00db88feb7e739a628251b8b562e3cf821f4a8e4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4594",
    "kind": "arxiv",
    "version": 1
  }
}