Pith Number

pith:7PXB6EKL

pith:2017:7PXB6EKLPVDYZSOV242XEX3RO2

not attested not anchored not stored refs pending

Spatial coherence of fields from generalized sources in the Fresnel regime

Alexandru Tamasan, Andre Beckus, Aristide Dogariu, Ayman F. Abouraddy, George K. Atia

arxiv:1707.02395 v2 · 2017-07-08 · 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{7PXB6EKLPVDYZSOV242XEX3RO2}

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	2026-05-17T23:48:53.137374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbee1f114b7d478cc9d5d735725f717689b3bbb118eb96d9c65a19ede186ccc3

Aliases

arxiv: 1707.02395 · arxiv_version: 1707.02395v2 · doi: 10.48550/arxiv.1707.02395 · pith_short_12: 7PXB6EKLPVDY · pith_short_16: 7PXB6EKLPVDYZSOV · pith_short_8: 7PXB6EKL

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/7PXB6EKLPVDYZSOV242XEX3RO2 \
  | 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: fbee1f114b7d478cc9d5d735725f717689b3bbb118eb96d9c65a19ede186ccc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d137e80acc709663304a4256c925c22548744e73f19d41422e57d9b10245574",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-07-08T04:42:17Z",
    "title_canon_sha256": "f7c5bbaac8ff932cd04a02ed0baf139c1754db505c5caed6836c4b52de33872d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02395",
    "kind": "arxiv",
    "version": 2
  }
}