Pith Number

pith:YVJYMX3C

pith:2019:YVJYMX3CURP4TSOXEKAACR7PVY

not attested not anchored not stored refs pending

The arrow of causality and quantum gravity

Gabriel Menezes, John F. Donoghue

arxiv:1908.04170 v1 · 2019-08-12 · hep-th · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YVJYMX3CURP4TSOXEKAACR7PVY}

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.

Cited by

3 papers in Pith

Ghosts versus Unstable Particles in Quantum Field Theory

Asymptotic Quantum Dynamics of Ghost Fields

Unitary Quadratic Quantum Gravity in 4D

Receipt and verification

First computed	2026-07-05T00:15:39.793816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c553865f62a45fc9c9d722800147efae1348197ed462f2aee24c69bc3d815845

Aliases

arxiv: 1908.04170 · arxiv_version: 1908.04170v1 · doi: 10.48550/arxiv.1908.04170 · pith_short_12: YVJYMX3CURP4 · pith_short_16: YVJYMX3CURP4TSOX · pith_short_8: YVJYMX3C

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/YVJYMX3CURP4TSOXEKAACR7PVY \
  | 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: c553865f62a45fc9c9d722800147efae1348197ed462f2aee24c69bc3d815845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67085cddc751df09e5970a714eb31a3844b4b3ec7473ab3b2fb49e0a932fcc59",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-08-12T14:27:51Z",
    "title_canon_sha256": "8ad8c3f26c0550defe63e3a93366c575f30b3482fc2534799b8ab54a93738b68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04170",
    "kind": "arxiv",
    "version": 1
  }
}