Pith Number

pith:NHTYDQFH

pith:2008:NHTYDQFHOSPZFTBFVXXTUS2G4D

not attested not anchored not stored refs pending

The energy-momentum of plane-fronted gravitational waves in the teleparallel equivalent of GR

J. W. Maluf, S. C. Ulhoa

arxiv:0807.0255 v2 · 2008-07-01 · 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{NHTYDQFHOSPZFTBFVXXTUS2G4D}

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	2026-05-18T02:35:15.667525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69e781c0a7749f92cc25adef3a4b46e0fc2b2714b25a1a2cd0c7cca7d226fc2d

Aliases

arxiv: 0807.0255 · arxiv_version: 0807.0255v2 · doi: 10.48550/arxiv.0807.0255 · pith_short_12: NHTYDQFHOSPZ · pith_short_16: NHTYDQFHOSPZFTBF · pith_short_8: NHTYDQFH

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/NHTYDQFHOSPZFTBFVXXTUS2G4D \
  | 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: 69e781c0a7749f92cc25adef3a4b46e0fc2b2714b25a1a2cd0c7cca7d226fc2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d091add67af08bf8c18a97e4559818acd323133ce081bbe1b99c2ff9a8c4913f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-07-01T23:39:48Z",
    "title_canon_sha256": "1bb3ef1da251260daace21c7e76dec1ffde35c2cbd5d99489c26c3ac5474c4f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0255",
    "kind": "arxiv",
    "version": 2
  }
}