Pith Number

pith:YDXEG2BX

pith:2016:YDXEG2BXMT7UI7OHSZ73VVVIDL

not attested not anchored not stored refs pending

The most elementary heat to work conversion: work extraction from a completely passive state by a single photon

Daniel Valente, Frederico Brito, Thiago Werlang

arxiv:1604.06183 v1 · 2016-04-21 · 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{YDXEG2BXMT7UI7OHSZ73VVVIDL}

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	2026-05-18T00:14:41.557824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0ee43683764ff447dc7967fbad6a81ad30692633b631b9cf7af3cba62ab1bee

Aliases

arxiv: 1604.06183 · arxiv_version: 1604.06183v1 · doi: 10.48550/arxiv.1604.06183 · pith_short_12: YDXEG2BXMT7U · pith_short_16: YDXEG2BXMT7UI7OH · pith_short_8: YDXEG2BX

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/YDXEG2BXMT7UI7OHSZ73VVVIDL \
  | 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: c0ee43683764ff447dc7967fbad6a81ad30692633b631b9cf7af3cba62ab1bee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9bf4bf26416d17fe0a8964b2eaca89ee79ad13039013103fd4b58afe189459e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-21T05:14:35Z",
    "title_canon_sha256": "10d76666b51200363623aae1de30f3182c8546349a032331def8da1cf635504f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06183",
    "kind": "arxiv",
    "version": 1
  }
}