Pith Number

pith:YLFGHQMB

pith:2017:YLFGHQMB6YQ4WYYES62BYUBAH3

not attested not anchored not stored refs pending

Second harmonic spectroscopy to optically detect valley polarization in 2D materials

F. Hipolito, Vitor M. Pereira

arxiv:1702.08181 v2 · 2017-02-27 · 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{YLFGHQMB6YQ4WYYES62BYUBAH3}

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	2026-05-18T00:42:19.708629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2ca63c181f621cb630497b41c50203ed2fe3dcf187122b3ce618f34b653e075

Aliases

arxiv: 1702.08181 · arxiv_version: 1702.08181v2 · doi: 10.48550/arxiv.1702.08181 · pith_short_12: YLFGHQMB6YQ4 · pith_short_16: YLFGHQMB6YQ4WYYE · pith_short_8: YLFGHQMB

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/YLFGHQMB6YQ4WYYES62BYUBAH3 \
  | 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: c2ca63c181f621cb630497b41c50203ed2fe3dcf187122b3ce618f34b653e075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b63a61d6fc232c9dcc7f8227a5a238fc7de40ed36fd913cc5e343560e9fb122f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2017-02-27T08:26:09Z",
    "title_canon_sha256": "dc79ec50ac8360108f84f4d4eb462d6d9067780b3f80977aa49d2ddc853e07a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08181",
    "kind": "arxiv",
    "version": 2
  }
}