Pith Number

pith:NGUI5INR

pith:2012:NGUI5INRHWHZ5K4AWHMOS47NXG

not attested not anchored not stored refs pending

Group delay of electromagnetic pulses through multilayer dielectric mirrors beyond special relativity

Fu-Hai Su, Jiang-Tao Liu, Jun Li, Nian-Hua Liu, Wu Xin

arxiv:1211.6317 v1 · 2012-11-27 · physics.optics · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGUI5INRHWHZ5K4AWHMOS47NXG}

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	2026-05-18T00:54:41.991510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69a88ea1b13d8f9eab80b1d8e973edb9b7c1dad9116d0334e4d4470952debe4b

Aliases

arxiv: 1211.6317 · arxiv_version: 1211.6317v1 · doi: 10.48550/arxiv.1211.6317 · pith_short_12: NGUI5INRHWHZ · pith_short_16: NGUI5INRHWHZ5K4A · pith_short_8: NGUI5INR

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/NGUI5INRHWHZ5K4AWHMOS47NXG \
  | 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: 69a88ea1b13d8f9eab80b1d8e973edb9b7c1dad9116d0334e4d4470952debe4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93516b0e05f7ad39896d946f80c3da87590de5a3e4959e2eaf8d1ccd6265c048",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-11-27T14:39:11Z",
    "title_canon_sha256": "ca20f7953a64dbe13a308f0b2340c904705297f71df88afff2569e594dbe131f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6317",
    "kind": "arxiv",
    "version": 1
  }
}