Pith Number

pith:WGBFF2KP

pith:2025:WGBFF2KPV5I7MAHS7CDRVF7RUU

not attested not anchored not stored refs pending

Optical Signatures of Band Flatness and Anisotropic Quantum Geometry in Magic-Angle Twisted Bilayer Graphene

Pok Man Chiu

arxiv:2508.18152 v2 · 2025-08-25 · 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{WGBFF2KPV5I7MAHS7CDRVF7RUU}

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	2026-05-22T02:04:36.645578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b18252e94faf51f600f2f8871a97f1a50cb7d356f14a541502ff441d682bd72c

Aliases

arxiv: 2508.18152 · arxiv_version: 2508.18152v2 · doi: 10.48550/arxiv.2508.18152 · pith_short_12: WGBFF2KPV5I7 · pith_short_16: WGBFF2KPV5I7MAHS · pith_short_8: WGBFF2KP

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/WGBFF2KPV5I7MAHS7CDRVF7RUU \
  | 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: b18252e94faf51f600f2f8871a97f1a50cb7d356f14a541502ff441d682bd72c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b71ebf76db1a5d9a740fa01f8f0e65b5a34b32b1b3c382bf9cbd73ea678d9d5e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2025-08-25T15:57:51Z",
    "title_canon_sha256": "cf2181ab8ee672d011dfeaeb9225dc2cdee24f6f96ab5dcf1f5a8ee565a02c63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.18152",
    "kind": "arxiv",
    "version": 2
  }
}