Pith Number

pith:CFLWICMX

pith:2015:CFLWICMXP7MRIEBFXPSVJDMJ3H

not attested not anchored not stored refs pending

Coherent detection of orbital angular momentum in radio

B. Isham, J. E. S. Bergman, K. Forozesh, L. K. S. Daldorff, M. K. T. Al-Nuaimi, S. M. Mohammadi, T. D. Carozzi

arxiv:1512.07623 v1 · 2015-12-23 · physics.class-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{CFLWICMXP7MRIEBFXPSVJDMJ3H}

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	2026-05-18T01:23:49.255101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11576409977fd9141025bbe5548d89d9c56bb38457cc6bede38effa24645ff3d

Aliases

arxiv: 1512.07623 · arxiv_version: 1512.07623v1 · doi: 10.48550/arxiv.1512.07623 · pith_short_12: CFLWICMXP7MR · pith_short_16: CFLWICMXP7MRIEBF · pith_short_8: CFLWICMX

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/CFLWICMXP7MRIEBFXPSVJDMJ3H \
  | 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: 11576409977fd9141025bbe5548d89d9c56bb38457cc6bede38effa24645ff3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c646c2c07213a601e1dae224370b5219acdeba31866889cdf681d686ac61d77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2015-12-23T20:48:30Z",
    "title_canon_sha256": "f2fb55104fdcdb64876e7fd1476397830992c794fe8d85fbae947aed95bb0158"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07623",
    "kind": "arxiv",
    "version": 1
  }
}