Pith Number

pith:E4SPEBDY

pith:2012:E4SPEBDY66DUY3RIYACCHWZCV5

not attested not anchored not stored refs pending

Time-dependent Decoherence-Free Subspace

L. C. Wang, S. L. Wu, X. X. Yi

arxiv:1205.1298 v2 · 2012-05-07 · 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{E4SPEBDY66DUY3RIYACCHWZCV5}

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	2026-05-18T01:57:37.521733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2724f20478f7874c6e28c00423db22af605d27d370cbdf42660e6e826a182c74

Aliases

arxiv: 1205.1298 · arxiv_version: 1205.1298v2 · doi: 10.48550/arxiv.1205.1298 · pith_short_12: E4SPEBDY66DU · pith_short_16: E4SPEBDY66DUY3RI · pith_short_8: E4SPEBDY

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/E4SPEBDY66DUY3RIYACCHWZCV5 \
  | 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: 2724f20478f7874c6e28c00423db22af605d27d370cbdf42660e6e826a182c74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed0ced0f8f589cc6d4cc8f63c1886630b8124d6728b67a8024c3d5d1acfaaab2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-07T07:09:00Z",
    "title_canon_sha256": "935d391101dceede996fb4f8ae5a88eb9b90a2239f91cd2f23181c998175e7a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1298",
    "kind": "arxiv",
    "version": 2
  }
}