Pith Number

pith:LAWA3RGJ

pith:2007:LAWA3RGJPIVWH3M4UJC63ZDIQB

not attested not anchored not stored refs pending

The shadow of light: evidences of photon behaviour contradicting known electrodynamics

A. Petrucci, F.Cardone, R. Mignani, R. Scrimaglio, W. Perconti

arxiv:0710.4873 v1 · 2007-10-25 · physics.gen-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{LAWA3RGJPIVWH3M4UJC63ZDIQB}

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	2026-05-18T04:09:04.844895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

582c0dc4c97a2b63ed9ca245ede4688066ec98f852d601c419c5922839ab9f33

Aliases

arxiv: 0710.4873 · arxiv_version: 0710.4873v1 · doi: 10.48550/arxiv.0710.4873 · pith_short_12: LAWA3RGJPIVW · pith_short_16: LAWA3RGJPIVWH3M4 · pith_short_8: LAWA3RGJ

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/LAWA3RGJPIVWH3M4UJC63ZDIQB \
  | 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: 582c0dc4c97a2b63ed9ca245ede4688066ec98f852d601c419c5922839ab9f33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bb20c7d6c2f4a6b3a9d3bc8fe93e13c12196c234401aa0c24a690a18b4b6fb5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2007-10-25T14:04:27Z",
    "title_canon_sha256": "a7779d3fa9bf64d2adb1961025c3f7cef98da898620d044872bddaecace895d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.4873",
    "kind": "arxiv",
    "version": 1
  }
}