Pith Number

pith:QZMX7RE3

pith:2009:QZMX7RE36ADIPKQ742J2XSGE4Y

not attested not anchored not stored refs pending

Observation of Van Hove singularities in twisted graphene layers

A. H. Castro Neto, A. Luican, A. Reina, E.Y. Andrei, Guohong Li, J. Kong, J.M. B. Lopes dos Santos

arxiv:0912.2102 v1 · 2009-12-10 · 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{QZMX7RE36ADIPKQ742J2XSGE4Y}

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	2026-05-18T04:24:07.289990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86597fc49bf00687aa1fe693abc8c4e625b8af735fdd83e233fd04fd95dead33

Aliases

arxiv: 0912.2102 · arxiv_version: 0912.2102v1 · doi: 10.48550/arxiv.0912.2102 · pith_short_12: QZMX7RE36ADI · pith_short_16: QZMX7RE36ADIPKQ7 · pith_short_8: QZMX7RE3

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/QZMX7RE36ADIPKQ742J2XSGE4Y \
  | 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: 86597fc49bf00687aa1fe693abc8c4e625b8af735fdd83e233fd04fd95dead33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f149689fedf1dcb811ab9ca8e41b54c50a43d71a0714bc2adb36d30ea05af9ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-12-10T21:47:45Z",
    "title_canon_sha256": "f93e631e0662f00724c7bfd83cfe915e38f7e7f3208ad1be3033155c0f711843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2102",
    "kind": "arxiv",
    "version": 1
  }
}