Pith Number

pith:OU3MUBMO

pith:2013:OU3MUBMOC3DWJFKATM6C434E2A

not attested not anchored not stored refs pending

Coherent beam shaping using two-dimensional photonic crystals

Denis Gagnon, Joey Dumont, Louis J. Dub\'e

arxiv:1305.0193 v1 · 2013-05-01 · 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{OU3MUBMOC3DWJFKATM6C434E2A}

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	2026-05-18T03:01:13.742962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7536ca058e16c76495409b3c2e6f84d00b8925b2c1b7fb65fda3212a42f2c4ca

Aliases

arxiv: 1305.0193 · arxiv_version: 1305.0193v1 · doi: 10.48550/arxiv.1305.0193 · pith_short_12: OU3MUBMOC3DW · pith_short_16: OU3MUBMOC3DWJFKA · pith_short_8: OU3MUBMO

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/OU3MUBMOC3DWJFKATM6C434E2A \
  | 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: 7536ca058e16c76495409b3c2e6f84d00b8925b2c1b7fb65fda3212a42f2c4ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a6c5aaeff9f4ef64d794dd76a1bca9a60415d2d54b3e3f472d11caba361f7a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-05-01T15:07:07Z",
    "title_canon_sha256": "26dfd8a28d8285df34b456d2a824ad8e1b1f58117e66748579cc54f54deed25b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0193",
    "kind": "arxiv",
    "version": 1
  }
}