Pith Number

pith:A232JGD2

pith:2017:A232JGD24P6ZURJGA67WHMZQX5

not attested not anchored not stored refs pending

800 nm pumped SPDC from chirped crystals

C. Wiechers, J. L. Lucio, X. S\'anchez-Lozano

arxiv:1710.05469 v1 · 2017-10-16 · 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{A232JGD24P6ZURJGA67WHMZQX5}

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	2026-05-18T00:20:56.114029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06b7a4987ae3fd9a452607bf63b330bf4b962f2c61ccbdb6f422a1ae7c20054f

Aliases

arxiv: 1710.05469 · arxiv_version: 1710.05469v1 · doi: 10.48550/arxiv.1710.05469 · pith_short_12: A232JGD24P6Z · pith_short_16: A232JGD24P6ZURJG · pith_short_8: A232JGD2

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/A232JGD24P6ZURJGA67WHMZQX5 \
  | 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: 06b7a4987ae3fd9a452607bf63b330bf4b962f2c61ccbdb6f422a1ae7c20054f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97af5154f1a37bef0560621397a6cdab884ce443aed9740e8eeee1d69d78e972",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-10-16T02:30:38Z",
    "title_canon_sha256": "cf4a62edec79dd93422ba7159b355f112c807f4d8b4552a5e49cac16e2031124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05469",
    "kind": "arxiv",
    "version": 1
  }
}