Pith Number

pith:L2DKBDJY

pith:2012:L2DKBDJYFEXE2DSTUS2BGF2JTB

not attested not anchored not stored refs pending

Generalized Hermite-Gauss decomposition of the two-photon state produced by spontaneous parametric down-conversion

A. H. Pimentel, S. P. Walborn

arxiv:1208.4336 v1 · 2012-08-21 · 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{L2DKBDJYFEXE2DSTUS2BGF2JTB}

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	2026-05-18T03:48:23.858694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e86a08d38292e4d0e53a4b41317499876ced92e4d8385c3e2da4e31ddea1191

Aliases

arxiv: 1208.4336 · arxiv_version: 1208.4336v1 · doi: 10.48550/arxiv.1208.4336 · pith_short_12: L2DKBDJYFEXE · pith_short_16: L2DKBDJYFEXE2DST · pith_short_8: L2DKBDJY

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/L2DKBDJYFEXE2DSTUS2BGF2JTB \
  | 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: 5e86a08d38292e4d0e53a4b41317499876ced92e4d8385c3e2da4e31ddea1191

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ff786f8ce8baca72bbe9de21c589dc7257bc955838e89e589b2f8b7116a609d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-08-21T18:37:01Z",
    "title_canon_sha256": "19f2f57ce23e26aef4a01fde22a5d7e986634eb8bcda91c39ebdac12c0f5d377"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4336",
    "kind": "arxiv",
    "version": 1
  }
}