Pith Number

pith:T4XC6K7B

pith:2000:T4XC6K7BC2HKTWK2H2S44QMTWJ

not attested not anchored not stored refs pending

Parallel and Anti-Parallel Spins: More Differences

Anirban Roy, Sibasish Ghosh, Ujjwal Sen

arxiv:quant-ph/0003020 v2 · 2000-03-06 · 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{T4XC6K7BC2HKTWK2H2S44QMTWJ}

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	2026-07-04T14:45:26.918124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f2e2f2be1168ea9d95a3ea5ce4193b245e0a1f53eab8b79aaa3a6566ea66a54

Aliases

arxiv: quant-ph/0003020 · arxiv_version: quant-ph/0003020v2 · doi: 10.48550/arxiv.quant-ph/0003020 · pith_short_12: T4XC6K7BC2HK · pith_short_16: T4XC6K7BC2HKTWK2 · pith_short_8: T4XC6K7B

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/T4XC6K7BC2HKTWK2H2S44QMTWJ \
  | 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: 9f2e2f2be1168ea9d95a3ea5ce4193b245e0a1f53eab8b79aaa3a6566ea66a54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4dbdf9effc7252f03c7d39ef1ac648dc3df59ad81fc101ba72ca42b2a48e1e2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-03-06T14:50:52Z",
    "title_canon_sha256": "a87a03e51f885795ce153913cdf5ecf91384c0d1f8f0f410be690127a975c6bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0003020",
    "kind": "arxiv",
    "version": 2
  }
}