Pith Number

pith:B5X73NS5

pith:2017:B5X73NS5CTFVYYOOE7RQRHTBYY

not attested not anchored not stored refs pending

Exploiting k-space - frequency duality in Fourier optics towards real-time compression-less terahertz imaging

Hichem Guerboukha, Kathirvel Nallappan, Maksim Skorobogatiy

arxiv:1708.07528 v1 · 2017-08-24 · 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{B5X73NS5CTFVYYOOE7RQRHTBYY}

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	2026-05-18T00:36:42.746184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f6ffdb65d14cb5c61ce27e3089e61c60d5af7020a06b109653e29758bd9f394

Aliases

arxiv: 1708.07528 · arxiv_version: 1708.07528v1 · doi: 10.48550/arxiv.1708.07528 · pith_short_12: B5X73NS5CTFV · pith_short_16: B5X73NS5CTFVYYOO · pith_short_8: B5X73NS5

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/B5X73NS5CTFVYYOOE7RQRHTBYY \
  | 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: 0f6ffdb65d14cb5c61ce27e3089e61c60d5af7020a06b109653e29758bd9f394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "572a569af03a2da2b11de5ac066eb6769d70c5754ad3db1670e6262301b5ac3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-08-24T19:07:25Z",
    "title_canon_sha256": "84394ef2265540d00f67e289ea9a11b42809c02751b237ad17f660a53a5ff77e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07528",
    "kind": "arxiv",
    "version": 1
  }
}