Pith Number

pith:34FW4T5S

pith:2017:34FW4T5SHJ2WI5OFI2YZFMNUDM

not attested not anchored not stored refs pending

Parametric amplification of optical phonons

Andrea Cartella, Andrea Cavalleri, Michael Fechner, Roberto Merlin, Tobia Federico Nova

arxiv:1708.09231 v1 · 2017-08-30 · cond-mat.mtrl-sci · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34FW4T5SHJ2WI5OFI2YZFMNUDM}

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	2026-07-05T04:27:40.588562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df0b6e4fb23a756475c546b192b1b41b1bbd288f736028b6dcb9784742f191ad

Aliases

arxiv: 1708.09231 · arxiv_version: 1708.09231v1 · doi: 10.48550/arxiv.1708.09231 · pith_short_12: 34FW4T5SHJ2W · pith_short_16: 34FW4T5SHJ2WI5OF · pith_short_8: 34FW4T5S

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/34FW4T5SHJ2WI5OFI2YZFMNUDM \
  | 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: df0b6e4fb23a756475c546b192b1b41b1bbd288f736028b6dcb9784742f191ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c52ff4290916515fc56caff321d72813c365d4f9434d977582b469a3925f1ea",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2017-08-30T12:13:43Z",
    "title_canon_sha256": "a0b8af1594c7c5e6549c55fba66d799fbbeba54d952a67b37594a0f7fda1a314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09231",
    "kind": "arxiv",
    "version": 1
  }
}