Pith Number

pith:HSPG5HVI

pith:2020:HSPG5HVIBL7EWKM5OY7JTQEOD5

not attested not anchored not stored refs pending

Towards Metric-Affine Quantum Gravity

Roberto Percacci

arxiv:2003.09486 v1 · 2020-03-20 · 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{HSPG5HVIBL7EWKM5OY7JTQEOD5}

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

1 paper in Pith

Tidal Forces in the Presence of Torsion and Nonmetricity

Receipt and verification

First computed	2026-07-05T00:49:44.089691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c9e6e9ea80afe4b299d763e99c08e1f57b172d550a40f09362416bcb21ea43b

Aliases

arxiv: 2003.09486 · arxiv_version: 2003.09486v1 · doi: 10.48550/arxiv.2003.09486 · pith_short_12: HSPG5HVIBL7E · pith_short_16: HSPG5HVIBL7EWKM5 · pith_short_8: HSPG5HVI

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/HSPG5HVIBL7EWKM5OY7JTQEOD5 \
  | 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: 3c9e6e9ea80afe4b299d763e99c08e1f57b172d550a40f09362416bcb21ea43b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "122e22cd7a6bd97516bf7ed6df932d162a9b466109cafe74e972daedb3cbbfe0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-03-20T20:19:15Z",
    "title_canon_sha256": "8a59a204cf39e2fd82b5528275913b1d652dffd39ff4c587b6682105cda1ec39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09486",
    "kind": "arxiv",
    "version": 1
  }
}