Pith Number

pith:PWPV2TO4

pith:2014:PWPV2TO4JQVLOETYBNBRDMI6D6

not attested not anchored not stored refs pending

Schmidt decomposition for non-collinear biphoton angular wave functions

Mikhail Fedorov

arxiv:1411.2144 v1 · 2014-11-08 · 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{PWPV2TO4JQVLOETYBNBRDMI6D6}

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	2026-05-18T02:38:08.452551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9f5d4ddc4c2ab712780b4311b11e1f9b58f1ff0a313829df315fd2df59ce40

Aliases

arxiv: 1411.2144 · arxiv_version: 1411.2144v1 · doi: 10.48550/arxiv.1411.2144 · pith_short_12: PWPV2TO4JQVL · pith_short_16: PWPV2TO4JQVLOETY · pith_short_8: PWPV2TO4

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/PWPV2TO4JQVLOETYBNBRDMI6D6 \
  | 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: 7d9f5d4ddc4c2ab712780b4311b11e1f9b58f1ff0a313829df315fd2df59ce40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb7b0c75a040ae6c3513d204c2160fe4f5c3d53be612aba600c86e066f874ee7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-11-08T18:08:46Z",
    "title_canon_sha256": "db114e1f5c690f4cbb75f09e614fd2bbd8a8ebce4a31ec460e643dfab4588880"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2144",
    "kind": "arxiv",
    "version": 1
  }
}