Pith Number

pith:7PKA5IYH

pith:2018:7PKA5IYHR7Y7PITYLLLL6A3GFC

not attested not anchored not stored refs pending

On the energy content of electromagnetic and gravitational plane waves through super-energy tensors

Andrea Geralico, Donato Bini

arxiv:1809.05305 v1 · 2018-09-14 · 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{7PKA5IYHR7Y7PITYLLLL6A3GFC}

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	2026-05-18T00:05:44.039714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbd40ea3078ff1f7a2785ad6bf036628b85050551f9a60de6388c6a5714ab1df

Aliases

arxiv: 1809.05305 · arxiv_version: 1809.05305v1 · doi: 10.48550/arxiv.1809.05305 · pith_short_12: 7PKA5IYHR7Y7 · pith_short_16: 7PKA5IYHR7Y7PITY · pith_short_8: 7PKA5IYH

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/7PKA5IYHR7Y7PITYLLLL6A3GFC \
  | 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: fbd40ea3078ff1f7a2785ad6bf036628b85050551f9a60de6388c6a5714ab1df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f116bd7076aaab724931b5ecc8a3aa6d560d17272dc601896f9b2936492ce6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-09-14T08:54:23Z",
    "title_canon_sha256": "0cd94189b0e5a67b38c380d0240f0d156407c97eb97cae67750f257b903d1260"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05305",
    "kind": "arxiv",
    "version": 1
  }
}