Pith Number

pith:Y56RNJDQ

pith:2019:Y56RNJDQJ3RUD35FUK4DI3J3IE

not attested not anchored not stored refs pending

General symmetry in the reduced dynamics of two-level system

B. A. Tay

arxiv:1902.08714 v2 · 2019-02-23 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y56RNJDQJ3RUD35FUK4DI3J3IE}

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	2026-05-17T23:48:30.369807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c77d16a4704ee341efa5a2b8346d3b411ec5f712c8d0090b8d62269da94b0118

Aliases

arxiv: 1902.08714 · arxiv_version: 1902.08714v2 · doi: 10.48550/arxiv.1902.08714 · pith_short_12: Y56RNJDQJ3RU · pith_short_16: Y56RNJDQJ3RUD35F · pith_short_8: Y56RNJDQ

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/Y56RNJDQJ3RUD35FUK4DI3J3IE \
  | 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: c77d16a4704ee341efa5a2b8346d3b411ec5f712c8d0090b8d62269da94b0118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b7a911917febdfa75ed1ffb3e22f8bd049a1568315bf41ded92676a38102741",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-23T01:54:31Z",
    "title_canon_sha256": "f6ab76acaaf529c8ce36fb1562b0dfe58cbe3fe44851f49901216d947b295bf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08714",
    "kind": "arxiv",
    "version": 2
  }
}