Pith Number

pith:VKF4W7X4

pith:2018:VKF4W7X4TJ74K4NE2Q56H5UNZW

not attested not anchored not stored refs pending

Coherent space-gated microscopy: a step towards deep-tissue phase imaging of biological cells

Hakseok Ko, Jae-Seung Lee, Mooseok Jang, Won Kyu Lee, Wonshik Choi

arxiv:1811.02755 v1 · 2018-11-07 · physics.optics · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKF4W7X4TJ74K4NE2Q56H5UNZW}

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	2026-05-18T00:01:20.872665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa8bcb7efc9a7fc571a4d43be3f68dcd8107c120087fba5476e4db9ce62009cc

Aliases

arxiv: 1811.02755 · arxiv_version: 1811.02755v1 · doi: 10.48550/arxiv.1811.02755 · pith_short_12: VKF4W7X4TJ74 · pith_short_16: VKF4W7X4TJ74K4NE · pith_short_8: VKF4W7X4

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/VKF4W7X4TJ74K4NE2Q56H5UNZW \
  | 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: aa8bcb7efc9a7fc571a4d43be3f68dcd8107c120087fba5476e4db9ce62009cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf40fd26b2f81167a437aa670a881655b01ede434d67759c697f16aa487a1c1d",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-11-07T04:35:52Z",
    "title_canon_sha256": "2fb5635b77169cbf4655c8ef581db373686776c40b6f202f88bc01e1036f0bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02755",
    "kind": "arxiv",
    "version": 1
  }
}