Pith Number

pith:25KITM4F

pith:2018:25KITM4FG76LHCNRCG4QXZSC6J

not attested not anchored not stored refs pending

Variations of the Energy of Free Particles in the pp-Wave Spacetimes

F. L. Carneiro, J. F. da Rocha-Neto, J. W. Maluf, S. C. Ulhoa

arxiv:1805.05513 v2 · 2018-05-15 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{25KITM4FG76LHCNRCG4QXZSC6J}

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	2026-05-18T00:12:37.923659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d75489b38537fcb389b111b90be642f2424ce02a1ae1057008f6d87e48e1a60a

Aliases

arxiv: 1805.05513 · arxiv_version: 1805.05513v2 · doi: 10.48550/arxiv.1805.05513 · pith_short_12: 25KITM4FG76L · pith_short_16: 25KITM4FG76LHCNR · pith_short_8: 25KITM4F

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/25KITM4FG76LHCNRCG4QXZSC6J \
  | 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: d75489b38537fcb389b111b90be642f2424ce02a1ae1057008f6d87e48e1a60a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a8f600c63601aeabc54d5a000a69afab7700decb89b80ec3b50035b4be92f0d",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-15T01:17:21Z",
    "title_canon_sha256": "4038dcfcf70459efeb28486ab39e47dd846ac08bd9c16d3f0990a8d9ce40ea22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05513",
    "kind": "arxiv",
    "version": 2
  }
}