Pith Number

pith:4AV7EWEJ

pith:2015:4AV7EWEJYWPXLZYCXDM2NY4W7O

not attested not anchored not stored refs pending

Experimental Demonstration of Spectral Intensity Optical Coherence Tomography

Ari T. Friberg, Go\"ery Genty, Jari Turunen, Piotr Ryczkowski

arxiv:1503.03990 v1 · 2015-03-13 · 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{4AV7EWEJYWPXLZYCXDM2NY4W7O}

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	2026-05-18T02:23:57.483102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e02bf25889c59f75e702b8d9a6e396fbb747fe08c171d16096535f10c3f1997d

Aliases

arxiv: 1503.03990 · arxiv_version: 1503.03990v1 · doi: 10.48550/arxiv.1503.03990 · pith_short_12: 4AV7EWEJYWPX · pith_short_16: 4AV7EWEJYWPXLZYC · pith_short_8: 4AV7EWEJ

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/4AV7EWEJYWPXLZYCXDM2NY4W7O \
  | 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: e02bf25889c59f75e702b8d9a6e396fbb747fe08c171d16096535f10c3f1997d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9f77c84b321c5b9a0f24951c159fdec038b8816746b961f11671ce2dbdd9604",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-03-13T09:11:34Z",
    "title_canon_sha256": "4aefde4c26e99da4d76fd3bf1a4968e066b01dd04d6535896b15206e92dce64b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03990",
    "kind": "arxiv",
    "version": 1
  }
}