Pith Number

pith:4ANHA7LS

pith:2020:4ANHA7LSMVVJP5N6DRSPCJGDWN

not attested not anchored not stored refs pending

Energy optimization of two-level quantum Otto machines

Obinna Abah, Satnam Singh

arxiv:2008.05002 v1 · 2020-08-11 · 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{4ANHA7LSMVVJP5N6DRSPCJGDWN}

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	2026-07-05T01:26:31.930460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e01a707d72656a97f5be1c64f124c3b37c80f65148b98191d1406e6e8201b2c2

Aliases

arxiv: 2008.05002 · arxiv_version: 2008.05002v1 · doi: 10.48550/arxiv.2008.05002 · pith_short_12: 4ANHA7LSMVVJ · pith_short_16: 4ANHA7LSMVVJP5N6 · pith_short_8: 4ANHA7LS

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/4ANHA7LSMVVJP5N6DRSPCJGDWN \
  | 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: e01a707d72656a97f5be1c64f124c3b37c80f65148b98191d1406e6e8201b2c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ae9d1ea143dd2728747fe119c2ec623b33526079477c4346c21439cadd34a90",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2020-08-11T21:00:06Z",
    "title_canon_sha256": "30428f7cc2241776fa32b9147070b05fdd3141a606810572c4fc22095b331ea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.05002",
    "kind": "arxiv",
    "version": 1
  }
}