Pith Number

pith:QOP2WFZR

pith:2012:QOP2WFZRK7Q5WDNIM4Y72EMPRQ

not attested not anchored not stored refs pending

Emergent quantum confinement at topological insulator surfaces

A. de la Torre, F. Baumberger, G. Balakrishnan, J. Chang, L. Patthey, M. S. Bahramy, M. Shi, N. Nagaosa, P. D. C. King, Ph. Hofmann, R. Arita

arxiv:1206.0564 v1 · 2012-06-04 · cond-mat.mtrl-sci · cond-mat.mes-hall · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOP2WFZRK7Q5WDNIM4Y72EMPRQ}

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	2026-05-18T03:42:33.817713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

839fab173157e1db0da86731fd118f8c1963b7ccf8d1fed70c1280fe4911175d

Aliases

arxiv: 1206.0564 · arxiv_version: 1206.0564v1 · doi: 10.48550/arxiv.1206.0564 · pith_short_12: QOP2WFZRK7Q5 · pith_short_16: QOP2WFZRK7Q5WDNI · pith_short_8: QOP2WFZR

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/QOP2WFZRK7Q5WDNIM4Y72EMPRQ \
  | 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: 839fab173157e1db0da86731fd118f8c1963b7ccf8d1fed70c1280fe4911175d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29854713f5acc36859f2c8e0611005028ff1bf65622f1ee79ca4cc6cc5b3225d",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-06-04T09:48:10Z",
    "title_canon_sha256": "530652a8bdd03572277d458347d3143591e00d94e79b9fdde3c5719eba36e88d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0564",
    "kind": "arxiv",
    "version": 1
  }
}