Pith Number

pith:6Q2ENDDC

pith:2015:6Q2ENDDCZPPSQWDECBOSZBNDW5

not attested not anchored not stored refs pending

Arbitrary orbital angular momentum of photons

Chenghou Tu, Hui-Tian Wang, Xi-Lin Wang, Xu-Zhen Gao, Yongnan Li, Yue Pan, Zhi-Cheng Ren

arxiv:1512.00595 v1 · 2015-12-02 · 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{6Q2ENDDCZPPSQWDECBOSZBNDW5}

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	2026-05-18T01:25:25.613577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f434468c62cbdf285864105d2c85a3b76e06e5d97b00f7ac37c015475aa2021a

Aliases

arxiv: 1512.00595 · arxiv_version: 1512.00595v1 · doi: 10.48550/arxiv.1512.00595 · pith_short_12: 6Q2ENDDCZPPS · pith_short_16: 6Q2ENDDCZPPSQWDE · pith_short_8: 6Q2ENDDC

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/6Q2ENDDCZPPSQWDECBOSZBNDW5 \
  | 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: f434468c62cbdf285864105d2c85a3b76e06e5d97b00f7ac37c015475aa2021a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c8ad7cf3e1b67a67203c45141a7c8b89fccf53d80b703c6121fb8c5d27d2fbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-12-02T07:16:21Z",
    "title_canon_sha256": "caa42da59afde451dbf5f0ee832aca5975e0ba306c5853a30f86656e6d3ce365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00595",
    "kind": "arxiv",
    "version": 1
  }
}