Pith Number

pith:4QRBYOEX

pith:2011:4QRBYOEXSZV76KL4SO4XKY33D5

not attested not anchored not stored refs pending

Engineering Negative Differential Conductance with the Cu(111) Surface State

B. W. Heinrich, D.-J. Choi, L. Limot, M. V. Rastei, T. Frederiksen

arxiv:1112.1801 v1 · 2011-12-08 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QRBYOEXSZV76KL4SO4XKY33D5}

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	2026-05-18T04:06:45.619880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4221c3897966bff297c93b975637b1f7040e42862afb5f6152cfcbb91a0be50

Aliases

arxiv: 1112.1801 · arxiv_version: 1112.1801v1 · doi: 10.48550/arxiv.1112.1801 · pith_short_12: 4QRBYOEXSZV7 · pith_short_16: 4QRBYOEXSZV76KL4 · pith_short_8: 4QRBYOEX

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/4QRBYOEXSZV76KL4SO4XKY33D5 \
  | 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: e4221c3897966bff297c93b975637b1f7040e42862afb5f6152cfcbb91a0be50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4012fe805e7c6d8d2b78a97809e7056b0be5831ce4cb8302395eb45fbf06a3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2011-12-08T10:28:29Z",
    "title_canon_sha256": "8d172d759929c5609f739d6f57b4fece7c36117b47f83cd22729cdef2c2c44ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1801",
    "kind": "arxiv",
    "version": 1
  }
}