Pith Number

pith:NJX6NL6X

pith:2017:NJX6NL6XEXVTIFDTHTGJH3JBUT

not attested not anchored not stored refs pending

The Weiss Variation of the Gravitational Action

Justin C. Feng, Richard A. Matzner

arxiv:1708.04489 v3 · 2017-08-14 · 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{NJX6NL6XEXVTIFDTHTGJH3JBUT}

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	2026-05-18T00:10:04.069527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6fe6afd725eb3414733ccc93ed21a4fad44c7bc87ca19de935e74818cb636c

Aliases

arxiv: 1708.04489 · arxiv_version: 1708.04489v3 · doi: 10.48550/arxiv.1708.04489 · pith_short_12: NJX6NL6XEXVT · pith_short_16: NJX6NL6XEXVTIFDT · pith_short_8: NJX6NL6X

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/NJX6NL6XEXVTIFDTHTGJH3JBUT \
  | 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: 6a6fe6afd725eb3414733ccc93ed21a4fad44c7bc87ca19de935e74818cb636c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b8c2596c5a2317ae41e149fe27c93c79be807261d002b1b01eb2682c2c9053e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-08-14T04:21:51Z",
    "title_canon_sha256": "fbf5c322269a11d83337786f422d8b29528754f0cefb3844b3060afe850af4b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04489",
    "kind": "arxiv",
    "version": 3
  }
}