Pith Number

pith:7FHXEGMQ

pith:2018:7FHXEGMQ6Y7SOUX3PDHBQLUXQV

not attested not anchored not stored refs pending

Intracavity Optical Trapping

Fatemeh Kalantarifard, F. \"Omer Ilday, Ghaith Makey, Giovanni Volpe, Onofrio M. Marag\`o, Parviz Elahi

arxiv:1808.07831 v1 · 2018-08-23 · 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{7FHXEGMQ6Y7SOUX3PDHBQLUXQV}

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	2026-05-18T00:07:24.190056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f94f721990f63f2752fb78ce182e97854a8cf3f556ae3826cfb9cc6120315047

Aliases

arxiv: 1808.07831 · arxiv_version: 1808.07831v1 · doi: 10.48550/arxiv.1808.07831 · pith_short_12: 7FHXEGMQ6Y7S · pith_short_16: 7FHXEGMQ6Y7SOUX3 · pith_short_8: 7FHXEGMQ

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/7FHXEGMQ6Y7SOUX3PDHBQLUXQV \
  | 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: f94f721990f63f2752fb78ce182e97854a8cf3f556ae3826cfb9cc6120315047

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01b619ff5a9cf7083951ca49eb7ab0a7202b17a351e6624e280dbd2ca6fd91f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-08-23T16:38:02Z",
    "title_canon_sha256": "9afff7adb16540f0cd362f4d20547cb332ab120fea25178b165ea07d8524743b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07831",
    "kind": "arxiv",
    "version": 1
  }
}