Pith Number

pith:RHA67QHD

pith:2015:RHA67QHDFBAENF4D6ASUCJDZDP

not attested not anchored not stored refs pending

A Simple and Accurate Closed-Form EGN Model Formula

A. Carena, F. Forghieri, P. Poggiolini, Y. Jiang

arxiv:1503.04132 v1 · 2015-03-13 · 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{RHA67QHDFBAENF4D6ASUCJDZDP}

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	2026-05-18T02:23:56.997705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89c1efc0e32840469783f0254124791bda707c474b216e2fd3e7c725f395a1b2

Aliases

arxiv: 1503.04132 · arxiv_version: 1503.04132v1 · doi: 10.48550/arxiv.1503.04132 · pith_short_12: RHA67QHDFBAE · pith_short_16: RHA67QHDFBAENF4D · pith_short_8: RHA67QHD

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/RHA67QHDFBAENF4D6ASUCJDZDP \
  | 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: 89c1efc0e32840469783f0254124791bda707c474b216e2fd3e7c725f395a1b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f858cf50cf686e61b74a9e2628e44983ffd3e87dc163897f2740e69d522a5b7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-03-13T16:18:23Z",
    "title_canon_sha256": "a14dd178daf45ea3efee43e859bb926ab75d0cc4161da2e788de879ff8576d4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04132",
    "kind": "arxiv",
    "version": 1
  }
}