Pith Number

pith:BMLFTS2M

pith:2015:BMLFTS2MIAED3NKPBVD3SUQIMO

not attested not anchored not stored refs pending

Lithographically fabricated magnifying Maxwell fisheye lenses

A. Johnson, C. Jensen, D. Schaefer, I. I. Smolyaninov, V. N. Smolyaninova, W. Zimmerman

arxiv:1511.02421 v1 · 2015-11-08 · physics.optics

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

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	2026-05-18T01:19:28.927253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b1659cb4c40083db54f0d47b95208639e416f81b0ebe58cd86a5092895da582

Aliases

arxiv: 1511.02421 · arxiv_version: 1511.02421v1 · doi: 10.48550/arxiv.1511.02421 · pith_short_12: BMLFTS2MIAED · pith_short_16: BMLFTS2MIAED3NKP · pith_short_8: BMLFTS2M

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/BMLFTS2MIAED3NKPBVD3SUQIMO \
  | 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: 0b1659cb4c40083db54f0d47b95208639e416f81b0ebe58cd86a5092895da582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7110e78a6339791787db9e756e074a8fa3bb3803421b3abca1e347aed5e0f058",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-11-08T01:12:08Z",
    "title_canon_sha256": "b74a25483bae85414d015dee020566001da79057c4fd86b3eea85d95418ec8c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02421",
    "kind": "arxiv",
    "version": 1
  }
}