Pith Number

pith:EIGA52GG

pith:2017:EIGA52GGR4HOUPSNUKUAIFZJ5T

not attested not anchored not stored refs pending

Why history matters: ab initio rederivation of Fresnel equations confirms microscopic theory of refractive index

G. A. H. Schober, R. Starke

arxiv:1705.11004 v2 · 2017-05-31 · physics.optics · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIGA52GGR4HOUPSNUKUAIFZJ5T}

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	2026-05-18T00:27:52.520061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

220c0ee8c68f0eea3e4da2a8041729ecdb2c48e2aae09c3dd55d3397e0b68c81

Aliases

arxiv: 1705.11004 · arxiv_version: 1705.11004v2 · doi: 10.48550/arxiv.1705.11004 · pith_short_12: EIGA52GGR4HO · pith_short_16: EIGA52GGR4HOUPSN · pith_short_8: EIGA52GG

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/EIGA52GGR4HOUPSNUKUAIFZJ5T \
  | 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: 220c0ee8c68f0eea3e4da2a8041729ecdb2c48e2aae09c3dd55d3397e0b68c81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cb11af42324cda948ed12b93f054bb4db0a50f2e3c81e93156a40f9709bbd1a",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-05-31T09:37:22Z",
    "title_canon_sha256": "d1c453ef5b646e88d23723acd117d180184d8b02382917be05134de39b597d41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.11004",
    "kind": "arxiv",
    "version": 2
  }
}