Pith Number

pith:43JEDRHK

pith:2019:43JEDRHKOIE2MTHODGE4EH3A6Q

not attested not anchored not stored refs pending

Addition Theorem Revisiting for Phase/Amplitude-Encoded Metasurfaces: Asymmetric Spatial Power Dividers

Ahmad Cheldavi, Ali Abdolali, Ali Momeni, Hamid Rajabalipanah, Javad Shabanpour

arxiv:1901.04063 v1 · 2019-01-13 · physics.app-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{43JEDRHKOIE2MTHODGE4EH3A6Q}

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	2026-05-17T23:56:26.360191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6d241c4ea7209a64cee1989c21f60f42b09be6557c01d45a2da5658c066b492

Aliases

arxiv: 1901.04063 · arxiv_version: 1901.04063v1 · doi: 10.48550/arxiv.1901.04063 · pith_short_12: 43JEDRHKOIE2 · pith_short_16: 43JEDRHKOIE2MTHO · pith_short_8: 43JEDRHK

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/43JEDRHKOIE2MTHODGE4EH3A6Q \
  | 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: e6d241c4ea7209a64cee1989c21f60f42b09be6557c01d45a2da5658c066b492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c42646d526900d7a64c0212d02d2849210a7c7a2fa1a84005e4643afc32ca5b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-01-13T21:04:40Z",
    "title_canon_sha256": "79fced546ed60197cc0d2415c32e5d3eb51c1545fbfe6cb68be934b1a496c1ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04063",
    "kind": "arxiv",
    "version": 1
  }
}