Pith Number

pith:BFUHZWKE

pith:2018:BFUHZWKEWVGCDQDCV7PGXNXVCX

not attested not anchored not stored refs pending

Quantum time delay for unitary operators: general theory

Diomba Sambou, Rafael Tiedra de Aldecoa

arxiv:1812.10718 v1 · 2018-12-27 · math-ph · math.MP · math.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFUHZWKEWVGCDQDCV7PGXNXVCX}

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	2026-05-17T23:39:47.579428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09687cd944b54c21c062afde6bb6f515f2b625d05118c27a842ff92b55c2cbd9

Aliases

arxiv: 1812.10718 · arxiv_version: 1812.10718v1 · doi: 10.48550/arxiv.1812.10718 · pith_short_12: BFUHZWKEWVGC · pith_short_16: BFUHZWKEWVGCDQDC · pith_short_8: BFUHZWKE

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/BFUHZWKEWVGCDQDCV7PGXNXVCX \
  | 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: 09687cd944b54c21c062afde6bb6f515f2b625d05118c27a842ff92b55c2cbd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f48e737db411ba0519cdc4265cfa7deafc966420a947eb866736c9cdccb8dd4",
    "cross_cats_sorted": [
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-12-27T13:29:26Z",
    "title_canon_sha256": "2a58137878c32ce35299333c15e676acc2c06df8985b6b57bf6beaaf40faf4d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10718",
    "kind": "arxiv",
    "version": 1
  }
}