Pith Number

pith:RE3DB74D

pith:2014:RE3DB74DIJWKUEE2ECPGK3KGRL

not attested not anchored not stored refs pending

New type of microengine using internal combustion of hydrogen and oxygen

Kechun Ma, Miko C. Elwenspoek, Remco G. P. Sanders, Vitaly B. Svetovoy

arxiv:1402.7101 v1 · 2014-02-27 · cond-mat.soft · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RE3DB74DIJWKUEE2ECPGK3KGRL}

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	2026-05-18T02:56:59.410415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

893630ff83426caa109a209e656d468ac554f1d7ba6fbb6c153675ab4298c316

Aliases

arxiv: 1402.7101 · arxiv_version: 1402.7101v1 · doi: 10.48550/arxiv.1402.7101 · pith_short_12: RE3DB74DIJWK · pith_short_16: RE3DB74DIJWKUEE2 · pith_short_8: RE3DB74D

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/RE3DB74DIJWKUEE2ECPGK3KGRL \
  | 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: 893630ff83426caa109a209e656d468ac554f1d7ba6fbb6c153675ab4298c316

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e778c7dd57b16740da8cf0c6c1fa0b0ea7a10a49f31ca055e886893e7a51e289",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2014-02-27T22:51:03Z",
    "title_canon_sha256": "23cec0149b30db41bbb515bd9dd432b2d879cf57393a3d61101d1d29cf4b7549"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.7101",
    "kind": "arxiv",
    "version": 1
  }
}