Pith Number

pith:HSDEN7HQ

pith:2015:HSDEN7HQDHJD3F5I56NDIDCOYB

not attested not anchored not stored refs pending

First-principles theory of flexoelectricity

David Vanderbilt, Massimiliano Stengel

arxiv:1507.03440 v2 · 2015-07-13 · 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{HSDEN7HQDHJD3F5I56NDIDCOYB}

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	2026-05-18T01:36:12.600410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c8646fcf019d23d97a8ef9a340c4ec06a84a44c0dd489000311444aca1662d3

Aliases

arxiv: 1507.03440 · arxiv_version: 1507.03440v2 · doi: 10.48550/arxiv.1507.03440 · pith_short_12: HSDEN7HQDHJD · pith_short_16: HSDEN7HQDHJD3F5I · pith_short_8: HSDEN7HQ

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/HSDEN7HQDHJD3F5I56NDIDCOYB \
  | 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: 3c8646fcf019d23d97a8ef9a340c4ec06a84a44c0dd489000311444aca1662d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68a18a79036b2b683af92e20b2fc693ab82495a8153f067ac51d8389ed4f9186",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-07-13T13:15:34Z",
    "title_canon_sha256": "2b6f94d7d089ee524560ea205f7f3a4caf316a57c1695e3f1e58ac07538f9053"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03440",
    "kind": "arxiv",
    "version": 2
  }
}