Pith Number

pith:CN7LREB6

pith:2020:CN7LREB6ZADUNDBWWYJYNVKKIG

not attested not anchored not stored refs pending

Quantum superposition of thermodynamic evolutions with opposing time's arrows

Giulia Rubino, Gonzalo Manzano, \v{C}aslav Brukner

arxiv:2008.02818 v2 · 2020-08-06 · 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{CN7LREB6ZADUNDBWWYJYNVKKIG}

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	2026-07-05T03:35:06.725486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

137eb8903ec807468c36b61386d54a419aab4d89ef2163f40bad091c2dce61e4

Aliases

arxiv: 2008.02818 · arxiv_version: 2008.02818v2 · doi: 10.48550/arxiv.2008.02818 · pith_short_12: CN7LREB6ZADU · pith_short_16: CN7LREB6ZADUNDBW · pith_short_8: CN7LREB6

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/CN7LREB6ZADUNDBWWYJYNVKKIG \
  | 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: 137eb8903ec807468c36b61386d54a419aab4d89ef2163f40bad091c2dce61e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f9b364ffbf8c2a16bb779ccf78c8815e26a3c5941d8d5d05f79f22bc8413e32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-08-06T18:00:38Z",
    "title_canon_sha256": "9788bb72e5f7778196e1182c25ecd1e6dea3b00b93f916068346c17fc8730b9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.02818",
    "kind": "arxiv",
    "version": 2
  }
}