Pith Number

pith:UB7AB7CE

pith:2015:UB7AB7CEJ5LZX5AL7HJPIS6BBO

not attested not anchored not stored refs pending

Lorentz transformations for massive two-particle systems: entanglement change and invariant subspaces

Eduardo Nahmad-Achar, Esteban Castro-Ruiz

arxiv:1502.01080 v1 · 2015-02-04 · 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{UB7AB7CEJ5LZX5AL7HJPIS6BBO}

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	2026-05-18T01:55:32.891024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a07e00fc444f579bf40bf9d2f44bc10b818e7af92ec6eac4c4a4e163872b8758

Aliases

arxiv: 1502.01080 · arxiv_version: 1502.01080v1 · doi: 10.48550/arxiv.1502.01080 · pith_short_12: UB7AB7CEJ5LZ · pith_short_16: UB7AB7CEJ5LZX5AL · pith_short_8: UB7AB7CE

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/UB7AB7CEJ5LZX5AL7HJPIS6BBO \
  | 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: a07e00fc444f579bf40bf9d2f44bc10b818e7af92ec6eac4c4a4e163872b8758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f281553eef0ac0262452690a254d985f0ce48b9b7e5a9b1100c2e67c4dad6ca1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-04T02:31:54Z",
    "title_canon_sha256": "ecdbb8a116ed65d100e80a6e683a5ba2c501a030424c6e9a5d2859ca0b9b1af6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01080",
    "kind": "arxiv",
    "version": 1
  }
}