pith. sign in
Pith Number

pith:VGPVWARA

pith:2012:VGPVWARAQK4JSBJTEIFILKQB23
not attested not anchored not stored refs pending

Electricity generated from Ambient Heat by Pencils

Guo'an Tai, Zihan Xu

arxiv:1206.3748 v1 · 2012-06-17 · cond-mat.mtrl-sci · cond-mat.mes-hall

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VGPVWARAQK4JSBJTEIFILKQB23}

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 2026-05-18T03:53:18.834860Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a99f5b022082b8990533220a85aa01d6ce0ae3f2becdd659f96454626eae11bb

Aliases

arxiv: 1206.3748 · arxiv_version: 1206.3748v1 · doi: 10.48550/arxiv.1206.3748 · pith_short_12: VGPVWARAQK4J · pith_short_16: VGPVWARAQK4JSBJT · pith_short_8: VGPVWARA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VGPVWARAQK4JSBJTEIFILKQB23 \
  | 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: a99f5b022082b8990533220a85aa01d6ce0ae3f2becdd659f96454626eae11bb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8a78cfb47fbcf44c38f9e20117a899b44295f23cdd0dea389229607a76d4f733",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-06-17T11:51:26Z",
    "title_canon_sha256": "8a6d40b6b60d4e0423ab72dba18b312bef24ce89ff5b48f99951d56198b41c21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3748",
    "kind": "arxiv",
    "version": 1
  }
}