Pith Number

pith:PPBT2IU6

pith:2014:PPBT2IU6Y4LHJY7KG2KSPPXXSB

not attested not anchored not stored refs pending

Lagrangian analysis of `trivial' symmetries in models of gravity

Debraj Roy

arxiv:1406.4284 v1 · 2014-06-17 · 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{PPBT2IU6Y4LHJY7KG2KSPPXXSB}

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	2026-05-18T02:49:37.945767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bc33d229ec71674e3ea369527bef7905d3672f76e8f7f99e1accf6d92611153

Aliases

arxiv: 1406.4284 · arxiv_version: 1406.4284v1 · doi: 10.48550/arxiv.1406.4284 · pith_short_12: PPBT2IU6Y4LH · pith_short_16: PPBT2IU6Y4LHJY7K · pith_short_8: PPBT2IU6

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/PPBT2IU6Y4LHJY7KG2KSPPXXSB \
  | 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: 7bc33d229ec71674e3ea369527bef7905d3672f76e8f7f99e1accf6d92611153

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e903437556efd84f2001ea0b61ab74514393d351e4e501dd406b7c5af526a4e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-06-17T09:18:00Z",
    "title_canon_sha256": "4642890f6c2927b2333254e9ba90ba059fdb679ff04164ad028d946c125eb240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4284",
    "kind": "arxiv",
    "version": 1
  }
}