Pith Number

pith:PCRYQ4R2

pith:2013:PCRYQ4R2LQIE3NX6Q5A3NHKDS2

not attested not anchored not stored refs pending

Composite Particles and the Szilard Engine

D. Kaszlikowski, T.K. Chuan

arxiv:1308.1525 v1 · 2013-08-07 · 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{PCRYQ4R2LQIE3NX6Q5A3NHKDS2}

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	2026-05-18T03:16:30.923385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78a388723a5c104db6fe8741b69d439686b83f23b33415ab230699fd2c27f986

Aliases

arxiv: 1308.1525 · arxiv_version: 1308.1525v1 · doi: 10.48550/arxiv.1308.1525 · pith_short_12: PCRYQ4R2LQIE · pith_short_16: PCRYQ4R2LQIE3NX6 · pith_short_8: PCRYQ4R2

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/PCRYQ4R2LQIE3NX6Q5A3NHKDS2 \
  | 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: 78a388723a5c104db6fe8741b69d439686b83f23b33415ab230699fd2c27f986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c9245f5cf8da177f04c4755105dc38fb8053df2a5f35df8eacec0587403bfe5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-07T10:01:02Z",
    "title_canon_sha256": "f8021e9f3be0fde9fa801f1815ad29539a5083406ea726208e4096d8ee57b964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1525",
    "kind": "arxiv",
    "version": 1
  }
}