Pith Number

pith:BQMPTGZ2

pith:2008:BQMPTGZ2BJ6T62KNUH2YNHFLA3

not attested not anchored not stored refs pending

Electrons on the surface of Bi2Se3 form a topologically-ordered two dimensional gas with a non-trivial Berry's phase

A. Bansil, A. Pal, D. Grauer, D. Hsieh, D. Qian, H. Lin, L. Wray, M.Z. Hasan, R.J. Cava, Y.S. Hor, Y. Xia

arxiv:0812.2078 v1 · 2008-12-11 · cond-mat.mes-hall · cond-mat.dis-nn · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQMPTGZ2BJ6T62KNUH2YNHFLA3}

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	2026-07-04T15:53:55.528293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c18f99b3a0a7d3f694da1f5869cab06e5f83d254afb135521a7d55282129c49

Aliases

arxiv: 0812.2078 · arxiv_version: 0812.2078v1 · doi: 10.48550/arxiv.0812.2078 · pith_short_12: BQMPTGZ2BJ6T · pith_short_16: BQMPTGZ2BJ6T62KN · pith_short_8: BQMPTGZ2

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/BQMPTGZ2BJ6T62KNUH2YNHFLA3 \
  | 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: 0c18f99b3a0a7d3f694da1f5869cab06e5f83d254afb135521a7d55282129c49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57b74ddc2f49154ac4b8bca3820c05788afc83f4abcf204a64b33e37141895ac",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2008-12-11T05:22:02Z",
    "title_canon_sha256": "116d8d9ebd875cd1d42f08e281d5ada337d68cffb219f387a16f300804a174ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2078",
    "kind": "arxiv",
    "version": 1
  }
}