Pith Number

pith:NKPJ5RKG

pith:2017:NKPJ5RKGDOQILGWIRDCE55F7ZA

not attested not anchored not stored refs pending

The path integral of unimodular gravity

N. Ohta, R. de Leon Ardon, R. Percacci

arxiv:1710.02457 v2 · 2017-10-06 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKPJ5RKGDOQILGWIRDCE55F7ZA}

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	2026-05-18T00:24:51.217039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a9e9ec5461ba0859ac888c44ef4bfc83e817dbb1973b53ecf3e3e514c952491

Aliases

arxiv: 1710.02457 · arxiv_version: 1710.02457v2 · doi: 10.48550/arxiv.1710.02457 · pith_short_12: NKPJ5RKGDOQI · pith_short_16: NKPJ5RKGDOQILGWI · pith_short_8: NKPJ5RKG

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/NKPJ5RKGDOQILGWIRDCE55F7ZA \
  | 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: 6a9e9ec5461ba0859ac888c44ef4bfc83e817dbb1973b53ecf3e3e514c952491

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c48e0f2a5aeaac8eb97383651a7c775d82666e37b65b32a8610f2f76fb7065a8",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-10-06T15:43:28Z",
    "title_canon_sha256": "756b4f3dacb63ab6de4edb1e9ae3a2ccbfca8ac19dec7d2c1bdcf2ba842ad5ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02457",
    "kind": "arxiv",
    "version": 2
  }
}