Pith Number

pith:53J2MNHF

pith:2021:53J2MNHFUS3DGWRCDDR7YJAJWN

not attested not anchored not stored refs pending

Two-color Kerr microscopy of two-dimensional materials with sub-picosecond time resolution

A. Schubert, M. Kempf, R. Schwartz, T. Korn

arxiv:2105.13142 v1 · 2021-05-27 · 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{53J2MNHFUS3DGWRCDDR7YJAJWN}

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	2026-07-05T03:28:17.823425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eed3a634e5a4b6335a2218e3fc2409b36d36aa397a0a60e2ee8f4f790ae56934

Aliases

arxiv: 2105.13142 · arxiv_version: 2105.13142v1 · doi: 10.48550/arxiv.2105.13142 · pith_short_12: 53J2MNHFUS3D · pith_short_16: 53J2MNHFUS3DGWRC · pith_short_8: 53J2MNHF

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/53J2MNHFUS3DGWRCDDR7YJAJWN \
  | 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: eed3a634e5a4b6335a2218e3fc2409b36d36aa397a0a60e2ee8f4f790ae56934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dad00c43826a825fbd07ea993f5cdf33d03fb5c0cc4c46cd8137af655315f3fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2021-05-27T13:42:41Z",
    "title_canon_sha256": "e91c3b53e4a946db1f61c17ceb3240867f59e240993f1b1a447059c09f0e3d69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.13142",
    "kind": "arxiv",
    "version": 1
  }
}