Pith Number

pith:DFE3DXL5

pith:2015:DFE3DXL5VFJOHEQOI7G4Y46LKT

not attested not anchored not stored refs pending

Irreversibility and the arrow of time in a quenched quantum system

A. M. Souza, E. Lutz, I. S. Oliveira, M. Paternostro, R. M. Serra, R. S. Sarthour, T. B. Batalhao

arxiv:1502.06704 v2 · 2015-02-24 · quant-ph · cond-mat.mes-hall · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFE3DXL5VFJOHEQOI7G4Y46LKT}

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	2026-05-18T00:46:43.324015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1949b1dd7da952e3920e47cdcc73cb54f80a4444b344438fb27077794aeb29e5

Aliases

arxiv: 1502.06704 · arxiv_version: 1502.06704v2 · doi: 10.48550/arxiv.1502.06704 · pith_short_12: DFE3DXL5VFJO · pith_short_16: DFE3DXL5VFJOHEQO · pith_short_8: DFE3DXL5

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/DFE3DXL5VFJOHEQOI7G4Y46LKT \
  | 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: 1949b1dd7da952e3920e47cdcc73cb54f80a4444b344438fb27077794aeb29e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3782959cfba0ed8a86da4c9c1e126f56ff439753ef2f5347b6c0aec140892fb9",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-24T07:46:44Z",
    "title_canon_sha256": "b55b12fdd92d7ab4ed6fbece5171dca06f645644eeed59c897a487f517c6567f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06704",
    "kind": "arxiv",
    "version": 2
  }
}