Pith Number

pith:QNM6V2KV

pith:2011:QNM6V2KVKKG7Y3XTKYP7PQI2VF

not attested not anchored not stored refs pending

Angular Schmidt Modes in Spontaneous Parametric Down-Conversion

A.A.Kalinkin, D.P.Ivanov, I.B.Bobrov, S.P.Kulik, S.S.Straupe

arxiv:1103.4077 v1 · 2011-03-21 · 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{QNM6V2KVKKG7Y3XTKYP7PQI2VF}

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	2026-05-18T02:22:17.792500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8359eae955528dfc6ef3561ff7c11aa97e813de1d1790e93e2fbe8d8529f48ae

Aliases

arxiv: 1103.4077 · arxiv_version: 1103.4077v1 · doi: 10.48550/arxiv.1103.4077 · pith_short_12: QNM6V2KVKKG7 · pith_short_16: QNM6V2KVKKG7Y3XT · pith_short_8: QNM6V2KV

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/QNM6V2KVKKG7Y3XTKYP7PQI2VF \
  | 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: 8359eae955528dfc6ef3561ff7c11aa97e813de1d1790e93e2fbe8d8529f48ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c80f5478eeb4da748df6a71ccc07f4c7032eb1f740a9b119f99c71d8e975715f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-03-21T17:01:20Z",
    "title_canon_sha256": "2121d69054ea094e6877f30eb45977ff52927000604e9e65f3d033ed73eba6af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4077",
    "kind": "arxiv",
    "version": 1
  }
}