Pith Number

pith:XORE3QES

pith:2020:XORE3QESY4KZP5GPBAFPHV3FVQ

not attested not anchored not stored refs pending

Sculpting light with paper for computational mobile phone microscopy

Antony Orth

arxiv:2009.10595 v1 · 2020-09-21 · physics.ed-ph · eess.IV · 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{XORE3QESY4KZP5GPBAFPHV3FVQ}

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	2026-07-05T01:37:20.668887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bba24dc092c71597f4cf080af3d765ac166f4e6a4a0b2394127ea538efbb323c

Aliases

arxiv: 2009.10595 · arxiv_version: 2009.10595v1 · doi: 10.48550/arxiv.2009.10595 · pith_short_12: XORE3QESY4KZ · pith_short_16: XORE3QESY4KZP5GP · pith_short_8: XORE3QES

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/XORE3QESY4KZP5GPBAFPHV3FVQ \
  | 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: bba24dc092c71597f4cf080af3d765ac166f4e6a4a0b2394127ea538efbb323c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23b3bb8e5c0c04860b21dc1a4f54f26c8de0258bd7d135f83462c4ed310ffc50",
    "cross_cats_sorted": [
      "eess.IV",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2020-09-21T02:09:01Z",
    "title_canon_sha256": "3631940e0159836a68fe03242df8463a8c7cf73e06ccc8e599b4c4172c999c18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.10595",
    "kind": "arxiv",
    "version": 1
  }
}