Pith Number

pith:4X622N2Z

pith:2010:4X622N2Z5B2JM7SKZURWVLZBWK

not attested not anchored not stored refs pending

Intense ultra-broadband down-conversion from randomly poled nonlinear crystals

Jan Pe\v{r}ina Jr, Ji\v{r}\'i Svozil\'ik

arxiv:1012.0772 v1 · 2010-12-03 · 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{4X622N2Z5B2JM7SKZURWVLZBWK}

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	2026-05-18T02:23:16.182077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5fdad3759e874967e4acd236aaf21b2853d20539755ccab0780b09916ab3fe4

Aliases

arxiv: 1012.0772 · arxiv_version: 1012.0772v1 · doi: 10.48550/arxiv.1012.0772 · pith_short_12: 4X622N2Z5B2J · pith_short_16: 4X622N2Z5B2JM7SK · pith_short_8: 4X622N2Z

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/4X622N2Z5B2JM7SKZURWVLZBWK \
  | 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: e5fdad3759e874967e4acd236aaf21b2853d20539755ccab0780b09916ab3fe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "725ddaaf5622f36773fa24f2db0cf4d419cc6fcbee273d377e3f138684da1028",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-12-03T15:48:31Z",
    "title_canon_sha256": "a526b076a2fb132a04fe96f72dc00e73ec3e1ead867dc777bd9138bb86a75412"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0772",
    "kind": "arxiv",
    "version": 1
  }
}