Pith Number

pith:O5LYUO3T

pith:2018:O5LYUO3TMBMC3DVF7QDXU7BKSI

not attested not anchored not stored refs pending

The energy-momentum tensor of gravitational waves, Wyman spacetime and freely falling observers

J. B. Formiga

arxiv:1808.06237 v1 · 2018-08-19 · 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{O5LYUO3TMBMC3DVF7QDXU7BKSI}

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	2026-05-17T23:58:13.831248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77578a3b7360582d8ea5fc077a7c2a923d5eb1d2f127d7697aae64c870328fab

Aliases

arxiv: 1808.06237 · arxiv_version: 1808.06237v1 · doi: 10.48550/arxiv.1808.06237 · pith_short_12: O5LYUO3TMBMC · pith_short_16: O5LYUO3TMBMC3DVF · pith_short_8: O5LYUO3T

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/O5LYUO3TMBMC3DVF7QDXU7BKSI \
  | 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: 77578a3b7360582d8ea5fc077a7c2a923d5eb1d2f127d7697aae64c870328fab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ed04c21f219951af5f5a35cd94da429e33b774f62171f04c1722f0ed25467d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-19T17:58:48Z",
    "title_canon_sha256": "c7ae56e54f5aecfc296d0d70c8de9cc1194cc88104e15d7c1bf6d50a8572eb72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06237",
    "kind": "arxiv",
    "version": 1
  }
}