pith. sign in
Pith Number

pith:KZQOCSP3

pith:2014:KZQOCSP3PMHM6TQUUGOGAA5JFW
not attested not anchored not stored refs pending

Foldscope: Origami-based paper microscope

James Clements, James Cybulski, Manu Prakash

arxiv:1403.1211 v1 · 2014-03-05 · physics.optics · physics.ed-ph · physics.pop-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KZQOCSP3PMHM6TQUUGOGAA5JFW}

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 2026-05-18T01:44:19.447783Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5660e149fb7b0ecf4e14a19c6003a92d8cc5fed525a0fe0a6d3c6ce8251ebf0a

Aliases

arxiv: 1403.1211 · arxiv_version: 1403.1211v1 · doi: 10.48550/arxiv.1403.1211 · pith_short_12: KZQOCSP3PMHM · pith_short_16: KZQOCSP3PMHM6TQU · pith_short_8: KZQOCSP3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KZQOCSP3PMHM6TQUUGOGAA5JFW \
  | 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: 5660e149fb7b0ecf4e14a19c6003a92d8cc5fed525a0fe0a6d3c6ce8251ebf0a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c62d17dfad1bcbdfbc790b3f4b1e7af369d61e8c3b5a6454cb4e37797d7dee04",
    "cross_cats_sorted": [
      "physics.ed-ph",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-03-05T18:25:53Z",
    "title_canon_sha256": "a6b58e5ac545cafa8c19c81dc2d7a1298ac2f2adf89b6e38cdd43636ac3128f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1211",
    "kind": "arxiv",
    "version": 1
  }
}