Pith Number

pith:EXQFMVGZ

pith:2019:EXQFMVGZOUCF2ZKIIYBZDZQG63

not attested not anchored not stored refs pending

Approximations used in the analysis of signals in pump-probe spectroscopy

Euan Hendry, Peter Karlsen

arxiv:1902.08619 v1 · 2019-02-22 · physics.optics · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EXQFMVGZOUCF2ZKIIYBZDZQG63}

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	2026-05-17T23:52:50.627798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25e05654d975045d6548460391e606f6cdcf64da6735ac013b04993733ce7449

Aliases

arxiv: 1902.08619 · arxiv_version: 1902.08619v1 · doi: 10.48550/arxiv.1902.08619 · pith_short_12: EXQFMVGZOUCF · pith_short_16: EXQFMVGZOUCF2ZKI · pith_short_8: EXQFMVGZ

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/EXQFMVGZOUCF2ZKIIYBZDZQG63 \
  | 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: 25e05654d975045d6548460391e606f6cdcf64da6735ac013b04993733ce7449

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b942517c0ea09451633393831120117b6ce13bdbb117d838c942fb8708d65c1",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-02-22T16:19:44Z",
    "title_canon_sha256": "a34cf3038fde3ec21553223593cdae423d6da06c17e55433aa5c2ca348e39d65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08619",
    "kind": "arxiv",
    "version": 1
  }
}