Pith Number

pith:BJ267PQN

pith:2014:BJ267PQND3CE7HBXYCWYNTKWXW

not attested not anchored not stored refs pending

Guiding of Light with Pinholes

Makoto Morinaga

arxiv:1407.3013 v1 · 2014-07-11 · physics.optics · physics.atom-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{BJ267PQND3CE7HBXYCWYNTKWXW}

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	2026-05-18T02:47:52.255472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a75efbe0d1ec44f9c37c0ad86cd56bdaa75e09c16dcdc451ba8651201f65709

Aliases

arxiv: 1407.3013 · arxiv_version: 1407.3013v1 · doi: 10.48550/arxiv.1407.3013 · pith_short_12: BJ267PQND3CE · pith_short_16: BJ267PQND3CE7HBX · pith_short_8: BJ267PQN

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/BJ267PQND3CE7HBXYCWYNTKWXW \
  | 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: 0a75efbe0d1ec44f9c37c0ad86cd56bdaa75e09c16dcdc451ba8651201f65709

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "116845de71de8f0e96a884a41015d0b747167afe63d8c679b97fbab5fb2fbb53",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-07-11T03:08:27Z",
    "title_canon_sha256": "4d145e8a146345e45624268356a58a7c687c09bd6551e0909dd40b10818200db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3013",
    "kind": "arxiv",
    "version": 1
  }
}