Pith Number

pith:XRPCFCCH

pith:2026:XRPCFCCH4X7ESO5F3GIZKCTCDO

not attested not anchored not stored refs pending

Quantum model reduction based on Oja's flow

Francesco Ticozzi, Kentaro Ohki, Miguel Casanova

arxiv:2607.26669 v1 · 2026-07-29 · 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{XRPCFCCH4X7ESO5F3GIZKCTCDO}

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	2026-07-30T01:21:53.828624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

bc5e228847e5fe493ba5d991950a621b8065b9ed0e3b22a314eea7f70941ae7f

Aliases

arxiv: 2607.26669 · arxiv_version: 2607.26669v1 · doi: 10.48550/arxiv.2607.26669 · pith_short_12: XRPCFCCH4X7E · pith_short_16: XRPCFCCH4X7ESO5F · pith_short_8: XRPCFCCH

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/XRPCFCCH4X7ESO5F3GIZKCTCDO \
  | 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: bc5e228847e5fe493ba5d991950a621b8065b9ed0e3b22a314eea7f70941ae7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86f4ee36553713154a691d150caa98863caeed3561ad86d8d4a2958993ff8007",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-29T09:25:54Z",
    "title_canon_sha256": "e3ee9db80e25e88be8fec6d6b2227f6639ff313e7f76476fa7f80edf5db3ab4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26669",
    "kind": "arxiv",
    "version": 1
  }
}