Pith Number

pith:FIHXIPUR

pith:2014:FIHXIPURRJXLXD3FM7FZTZVF62

not attested not anchored not stored refs pending

Towards a piecewise-homogeneous metamaterial model of the collision of two linearly polarized gravitational plane waves

Akhlesh Lakhtakia (Pennsylvania State University), Tom G. Mackay (University of Edinburgh)

arxiv:1408.0601 v1 · 2014-08-04 · 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{FIHXIPURRJXLXD3FM7FZTZVF62}

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	2026-05-18T01:42:25.833429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a0f743e918a6ebb8f6567cb99e6a5f6bddf9cff021b4a67faeba2c53bc4c6df

Aliases

arxiv: 1408.0601 · arxiv_version: 1408.0601v1 · doi: 10.48550/arxiv.1408.0601 · pith_short_12: FIHXIPURRJXL · pith_short_16: FIHXIPURRJXLXD3F · pith_short_8: FIHXIPUR

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/FIHXIPURRJXLXD3FM7FZTZVF62 \
  | 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: 2a0f743e918a6ebb8f6567cb99e6a5f6bddf9cff021b4a67faeba2c53bc4c6df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b11062d5dc97fa994e08b50cdf44bfd68c2b405e9208453d0881c218de5f7ac1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-08-04T08:01:37Z",
    "title_canon_sha256": "d3cfe75010c1e20dc9c586feb52489b6b43c8cd0c4e5b9fa4eb9e5a7826b93ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0601",
    "kind": "arxiv",
    "version": 1
  }
}