Pith Number

pith:TSQMVCWT

pith:2015:TSQMVCWTS7PGBW3K4CHHZCWFSF

not attested not anchored not stored refs pending

Probing the topological charge of a vortex beam with dynamic angular double slits

Dongxu Chen, Dongzhi Fu, Fuli Li, Hong Gao, Pei Zhang, Ruifeng Liu, Yunlong Wang

arxiv:1501.05986 v1 · 2015-01-24 · physics.optics · quant-ph

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

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	2026-05-18T01:41:08.918867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ca0ca8ad397de60db6ae08e7c8ac5916103ff7c6d136c015bc5bc7557a0f0e3

Aliases

arxiv: 1501.05986 · arxiv_version: 1501.05986v1 · doi: 10.48550/arxiv.1501.05986 · pith_short_12: TSQMVCWTS7PG · pith_short_16: TSQMVCWTS7PGBW3K · pith_short_8: TSQMVCWT

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/TSQMVCWTS7PGBW3K4CHHZCWFSF \
  | 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: 9ca0ca8ad397de60db6ae08e7c8ac5916103ff7c6d136c015bc5bc7557a0f0e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "491332ba452bfde1a34d9236a70948818305773eb3f3c62de9231fe353f7c0ba",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-01-24T00:29:07Z",
    "title_canon_sha256": "145d9371f6193ac17e1bc45cc60efdbd081817b1dc3c915cf573e497fbf74420"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05986",
    "kind": "arxiv",
    "version": 1
  }
}