Pith Number

pith:NNWN5R5K

pith:2018:NNWN5R5K4BFYOWHGFVQBXHDIJR

not attested not anchored not stored refs pending

The memory effect in impulsive plane waves: comments, corrections, clarifications

Roland Steinbauer

arxiv:1811.10940 v3 · 2018-11-27 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNWN5R5K4BFYOWHGFVQBXHDIJR}

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	2026-05-17T23:47:15.805978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b6cdec7aae04b8758e62d601b9c684c4e41b07f2823bfaf411969cff4dfd5fd

Aliases

arxiv: 1811.10940 · arxiv_version: 1811.10940v3 · doi: 10.48550/arxiv.1811.10940 · pith_short_12: NNWN5R5K4BFY · pith_short_16: NNWN5R5K4BFYOWHG · pith_short_8: NNWN5R5K

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/NNWN5R5K4BFYOWHGFVQBXHDIJR \
  | 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: 6b6cdec7aae04b8758e62d601b9c684c4e41b07f2823bfaf411969cff4dfd5fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb707ddc2a611a78978e3aa176d32a8b556b3c8afc305783bde16dbd1b5da275",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-27T12:43:05Z",
    "title_canon_sha256": "a4778fc7ccbbe15e3c8458338904fdaa7ebc9a897151247919f7181d2f8d1e68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10940",
    "kind": "arxiv",
    "version": 3
  }
}