Pith Number

pith:75JM5BBM

pith:2015:75JM5BBMMIZSCZPZSXB3BGMAQK

not attested not anchored not stored refs pending

Basics of Low-temperature Refrigeration

A. Alekseev (Linde AG, Munich)

arxiv:1501.07392 v1 · 2015-01-29 · physics.acc-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75JM5BBMMIZSCZPZSXB3BGMAQK}

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	2026-05-18T02:28:22.054489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff52ce842c62332165f995c3b0998082b9080ec0e1fcd045d0e6e295b0684832

Aliases

arxiv: 1501.07392 · arxiv_version: 1501.07392v1 · doi: 10.48550/arxiv.1501.07392 · pith_short_12: 75JM5BBMMIZS · pith_short_16: 75JM5BBMMIZSCZPZ · pith_short_8: 75JM5BBM

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/75JM5BBMMIZSCZPZSXB3BGMAQK \
  | 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: ff52ce842c62332165f995c3b0998082b9080ec0e1fcd045d0e6e295b0684832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f57f87f1a515082bb7f3b43abbb517701ceb29a25c1fdee0e117a90471c22cc",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2015-01-29T09:52:57Z",
    "title_canon_sha256": "e4e827a3927d4b64025857d4bde2cfb3c1115ed40a06dceda30bb6484cebbdea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07392",
    "kind": "arxiv",
    "version": 1
  }
}