Pith Number

pith:MJPXXOYC

pith:2010:MJPXXOYC4SL656VYTNMZE5RAIQ

not attested not anchored not stored refs pending

Engineering Time-Reversal Invariant Topological Insulators With Ultra-Cold Atoms

A. Bermudez, I. B. Spielman, I. Satija, M.A. Martin-Delgado, M. Lewenstein, N. Goldman, P. Nikolic

arxiv:1002.0219 v2 · 2010-02-01 · cond-mat.quant-gas · cond-mat.mes-hall · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJPXXOYC4SL656VYTNMZE5RAIQ}

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	2026-05-18T04:32:46.629486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

625f7bbb02e497eefab89b59927620440300ce377bf0aa5af97faef74cd2221f

Aliases

arxiv: 1002.0219 · arxiv_version: 1002.0219v2 · doi: 10.48550/arxiv.1002.0219 · pith_short_12: MJPXXOYC4SL6 · pith_short_16: MJPXXOYC4SL656VY · pith_short_8: MJPXXOYC

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/MJPXXOYC4SL656VYTNMZE5RAIQ \
  | 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: 625f7bbb02e497eefab89b59927620440300ce377bf0aa5af97faef74cd2221f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "461f43da913f9d786bc5730bab17a9add9797cda73186883818600a7b2d30d93",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2010-02-01T20:35:57Z",
    "title_canon_sha256": "cdded956f67e288568272dfb5f5d57e6a5761bcc9a6ca3705742179ddc02cb41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0219",
    "kind": "arxiv",
    "version": 2
  }
}