Pith Number

pith:DQY7TUBY

pith:2018:DQY7TUBY2P52Q4NF3LVIDTKNJ5

not attested not anchored not stored refs pending

Improved spot formation for flexible multi-mode fiber endoscope using partial reflector

Cory Rewcastle, Elaine Chou, Joseph M. Kahn, Ofer Levi, Ruo Yu Gu

arxiv:1805.07553 v1 · 2018-05-19 · 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{DQY7TUBY2P52Q4NF3LVIDTKNJ5}

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	2026-05-18T00:15:33.269188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c31f9d038d3fba871a5daea81cd4d4f75aa90f5f73d967a8691471ac0a90884

Aliases

arxiv: 1805.07553 · arxiv_version: 1805.07553v1 · doi: 10.48550/arxiv.1805.07553 · pith_short_12: DQY7TUBY2P52 · pith_short_16: DQY7TUBY2P52Q4NF · pith_short_8: DQY7TUBY

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/DQY7TUBY2P52Q4NF3LVIDTKNJ5 \
  | 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: 1c31f9d038d3fba871a5daea81cd4d4f75aa90f5f73d967a8691471ac0a90884

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a5d69e173ebb4e7fd83c78b013f8075b97b41fb969ed2bfd427bece304083fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-05-19T09:15:47Z",
    "title_canon_sha256": "89da62cd508322bb92c56fe2f64c1d7d2d39d45a1e764a2e5a4a2df888fc53ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07553",
    "kind": "arxiv",
    "version": 1
  }
}