Pith Number

pith:UHVGHHZU

pith:2015:UHVGHHZUPCEGZJONFMYA2DKG7L

not attested not anchored not stored refs pending

Nano-Ratchet sets free electrical power even without intentional excitation

G. Mahler, H. Weidlich, R. Hey, V. Hortelano, W. T. Masselink, Y. Takagaki

arxiv:1512.04475 v4 · 2015-11-26 · physics.gen-ph

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

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	2026-05-18T00:49:34.798817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1ea639f3478886ca5cd2b300d0d46facc340dabf101b40187edb6992b848cd9

Aliases

arxiv: 1512.04475 · arxiv_version: 1512.04475v4 · doi: 10.48550/arxiv.1512.04475 · pith_short_12: UHVGHHZUPCEG · pith_short_16: UHVGHHZUPCEGZJON · pith_short_8: UHVGHHZU

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/UHVGHHZUPCEGZJONFMYA2DKG7L \
  | 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: a1ea639f3478886ca5cd2b300d0d46facc340dabf101b40187edb6992b848cd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c134eee58d929a3b6249cb8ead15759c000bd7456daa05733de3a16855bb891",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2015-11-26T20:18:43Z",
    "title_canon_sha256": "89c04b98962413005619178ef74588bff924575e528445b43861c352a0e64227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04475",
    "kind": "arxiv",
    "version": 4
  }
}