Pith Number

pith:2R76BJ24

pith:2021:2R76BJ24ZWMO4HI5IMK23UEMG6

not attested not anchored not stored refs pending

Zero-power calibration of photonic circuits at cryogenic temperatures

Antonio A. Gentile, Ben M. Burridge, Gerardo E. Villarreal-Garcia, Jorge Barreto, Pisu Jiang

arxiv:2105.04721 v1 · 2021-05-11 · physics.optics · 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{2R76BJ24ZWMO4HI5IMK23UEMG6}

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	2026-07-05T03:09:30.022798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47fe0a75ccd98ee1d1d4315add08c379d042382caf13f32020f83efa666415a

Aliases

arxiv: 2105.04721 · arxiv_version: 2105.04721v1 · doi: 10.48550/arxiv.2105.04721 · pith_short_12: 2R76BJ24ZWMO · pith_short_16: 2R76BJ24ZWMO4HI5 · pith_short_8: 2R76BJ24

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/2R76BJ24ZWMO4HI5IMK23UEMG6 \
  | 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: d47fe0a75ccd98ee1d1d4315add08c379d042382caf13f32020f83efa666415a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32e078fdcee98c0e5e23bd551db0f2265cae2fbae3617289da25d17d9a3a523f",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-05-11T00:22:41Z",
    "title_canon_sha256": "8aa7b125520630487a2099c4de33092a2fbd9b96e00805ff4816c237166a1272"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.04721",
    "kind": "arxiv",
    "version": 1
  }
}