Pith Number

pith:DFCUQ5AG

pith:2021:DFCUQ5AGOQG4DDXVSEIGZL7K7C

not attested not anchored not stored refs pending

Saturable absorption of free-electron laser radiation by graphite near the carbon K-edge

Craig P. Schwartz, Emiliano Principi, Hikaru Mizuno, Lars Hoffmann, Laura Foglia, Michael Zuerch, Riccardo Mincigrucci, Richard J. Saykally, Sasawat Jamnuch, Shervin Fatehi, Sumana L. Raj, Tobias Helk, Tod A. Pascal, Walter S. Drisdell

arxiv:2112.12585 v2 · 2021-12-15 · physics.optics · cond-mat.mtrl-sci

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFCUQ5AGOQG4DDXVSEIGZL7K7C}

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	2026-07-05T03:46:38.231291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1945487406740dc18ef591106cafeaf8848b154f9f969869104e1c721d6d5385

Aliases

arxiv: 2112.12585 · arxiv_version: 2112.12585v2 · doi: 10.48550/arxiv.2112.12585 · pith_short_12: DFCUQ5AGOQG4 · pith_short_16: DFCUQ5AGOQG4DDXV · pith_short_8: DFCUQ5AG

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/DFCUQ5AGOQG4DDXVSEIGZL7K7C \
  | 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: 1945487406740dc18ef591106cafeaf8848b154f9f969869104e1c721d6d5385

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b49cc27b5873fdb36bb7a27e92da2d5419f3420405f95262622f42bf84b8893d",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-12-15T04:12:59Z",
    "title_canon_sha256": "f7e30ba5eb4386b55a85b57b9b8e07dfc330ae8ad61d16ad3f60065f97e6ed4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.12585",
    "kind": "arxiv",
    "version": 2
  }
}