Pith Number

pith:U2KFVV7D

pith:2015:U2KFVV7DPDQNDG6OVIEKBTPDVS

not attested not anchored not stored refs pending

Trapping and unlimited delay of light pulses at microscale without distortion

M. Sumetsky

arxiv:1506.08711 v1 · 2015-06-29 · 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{U2KFVV7DPDQNDG6OVIEKBTPDVS}

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	2026-05-18T01:37:43.584819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6945ad7e378e0d19bceaa08a0cde3aca6e80a434392c1cde626af408582505d

Aliases

arxiv: 1506.08711 · arxiv_version: 1506.08711v1 · doi: 10.48550/arxiv.1506.08711 · pith_short_12: U2KFVV7DPDQN · pith_short_16: U2KFVV7DPDQNDG6O · pith_short_8: U2KFVV7D

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/U2KFVV7DPDQNDG6OVIEKBTPDVS \
  | 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: a6945ad7e378e0d19bceaa08a0cde3aca6e80a434392c1cde626af408582505d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "647fc5930889fb0ffb39079f15f83df0babca7d469b883a7934ecb90bde86d86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-06-29T16:11:41Z",
    "title_canon_sha256": "d520087fee0d740548bdde1674277f105bf4fa8453fc2121f7b012b3d4cbe966"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08711",
    "kind": "arxiv",
    "version": 1
  }
}