Pith Number

pith:3LK5CIJS

pith:2019:3LK5CIJSJEFV5ZIIIBYAXP6ULV

not attested not anchored not stored refs pending

Determination of the damping co-efficient of electrons in optically transparent glasses at the true resonance frequency in the ultraviolet from an analysis of the Lorentz-Maxwell model of dispersion

Surajit Chakrabarti

arxiv:1907.04499 v1 · 2019-07-10 · 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{3LK5CIJSJEFV5ZIIIBYAXP6ULV}

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	2026-05-17T23:41:00.066382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dad5d12132490b5ee50840700bbfd45d72c335a54a05d0b3d9d5f2d0081c6613

Aliases

arxiv: 1907.04499 · arxiv_version: 1907.04499v1 · doi: 10.48550/arxiv.1907.04499 · pith_short_12: 3LK5CIJSJEFV · pith_short_16: 3LK5CIJSJEFV5ZII · pith_short_8: 3LK5CIJS

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/3LK5CIJSJEFV5ZIIIBYAXP6ULV \
  | 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: dad5d12132490b5ee50840700bbfd45d72c335a54a05d0b3d9d5f2d0081c6613

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f41c56084715411f4c88fac2eb24925ae2129b7658b4f5cedf63ed431c3368f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-07-10T03:43:41Z",
    "title_canon_sha256": "8bab53c7152567176cdf386a8e918c13d954d233c9d3f313e6b59ed1b22a129a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04499",
    "kind": "arxiv",
    "version": 1
  }
}