Pith Number

pith:BY4VDLN2

pith:2016:BY4VDLN2KBCLVS54PZU35UCKRC

not attested not anchored not stored refs pending

The ultimate physical limits to reversibility

Andrew J. P. Garner, Vlatko Vedral

arxiv:1604.03208 v1 · 2016-04-12 · 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{BY4VDLN2KBCLVS54PZU35UCKRC}

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	2026-05-18T01:17:16.158005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e3951adba5044bacbbc7e69bed04a88b19acea7d0d2d2d2d14eaf97ff01e709

Aliases

arxiv: 1604.03208 · arxiv_version: 1604.03208v1 · doi: 10.48550/arxiv.1604.03208 · pith_short_12: BY4VDLN2KBCL · pith_short_16: BY4VDLN2KBCLVS54 · pith_short_8: BY4VDLN2

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/BY4VDLN2KBCLVS54PZU35UCKRC \
  | 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: 0e3951adba5044bacbbc7e69bed04a88b19acea7d0d2d2d2d14eaf97ff01e709

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dc61c641d71aa682c0dcf4936a69746894ad493ddfc4065dab2cb4349af3b1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-12T02:31:39Z",
    "title_canon_sha256": "2896283be15dbdb100b903504b6b1d91b179078f2824ff79b0385399c36ede51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03208",
    "kind": "arxiv",
    "version": 1
  }
}