Pith Number

pith:7NGYDRCX

pith:2009:7NGYDRCXBIZHLYA34PUIUUPW2L

not attested not anchored not stored refs pending

Tuning the conductance of Dirac fermions on the surface of a topological insulator

D. Sen, K. Sengupta, R. Shankar, S. Mondal

arxiv:0908.2019 v1 · 2009-08-14 · 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{7NGYDRCXBIZHLYA34PUIUUPW2L}

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	2026-05-18T03:23:58.210465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb4d81c4570a3275e01be3e88a51f6d2c730ce111204bb6703e770151a047dec

Aliases

arxiv: 0908.2019 · arxiv_version: 0908.2019v1 · doi: 10.48550/arxiv.0908.2019 · pith_short_12: 7NGYDRCXBIZH · pith_short_16: 7NGYDRCXBIZHLYA3 · pith_short_8: 7NGYDRCX

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/7NGYDRCXBIZHLYA34PUIUUPW2L \
  | 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: fb4d81c4570a3275e01be3e88a51f6d2c730ce111204bb6703e770151a047dec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03aad020ef0a54faacd8f95d8bed5a402bc370b868fd5dc07e4dd11f311ae322",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-08-14T07:02:39Z",
    "title_canon_sha256": "5f298cf269fc54da5b0c6d5295aba8d96a5bd506dbe06f77534f4a3fc77e9855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2019",
    "kind": "arxiv",
    "version": 1
  }
}