Pith Number

pith:YMKAT5OO

pith:2021:YMKAT5OOC2CMTFR45WVTS464UB

not attested not anchored not stored refs pending

Cryogenic integrated spontaneous parametric down-conversion

Christine Silberhorn, Christof Eigner, Jan Philipp H\"opker, Nina Amelie Lange, Raimund Ricken, Tim J. Bartley, Viktor Quiring

arxiv:2110.07425 v1 · 2021-10-14 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YMKAT5OOC2CMTFR45WVTS464UB}

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	2026-07-05T06:36:51.450070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c31409f5ce1684c9963cedab3973dca07dc4b56ec7d6d68ee20b8ab32bfddc43

Aliases

arxiv: 2110.07425 · arxiv_version: 2110.07425v1 · doi: 10.48550/arxiv.2110.07425 · pith_short_12: YMKAT5OOC2CM · pith_short_16: YMKAT5OOC2CMTFR4 · pith_short_8: YMKAT5OO

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/YMKAT5OOC2CMTFR45WVTS464UB \
  | 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: c31409f5ce1684c9963cedab3973dca07dc4b56ec7d6d68ee20b8ab32bfddc43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82d78bb1d3dee46f7e1f584ab3ea1d770cd225b89d00e1df3c1a67d7bfc67ea9",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-10-14T14:53:36Z",
    "title_canon_sha256": "ee32d5ea0a5a96c4a34d01e396bd4aa5b85907390d1f86cac52a4939d763cf51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07425",
    "kind": "arxiv",
    "version": 1
  }
}