Pith Number

pith:HG54QYET

pith:2019:HG54QYETBVB25STDM4B52MC2CV

not attested not anchored not stored refs pending

Metric-Affine Gravity and Cosmology/Aspects of Torsion and non-Metricity in Gravity Theories

Damianos Iosifidis

arxiv:1902.09643 v1 · 2019-02-25 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HG54QYETBVB25STDM4B52MC2CV}

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	2026-05-17T23:52:35.674049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39bbc860930d43aeca636703dd305a15446176e9ea7040121526ae81dc158e20

Aliases

arxiv: 1902.09643 · arxiv_version: 1902.09643v1 · doi: 10.48550/arxiv.1902.09643 · pith_short_12: HG54QYETBVB2 · pith_short_16: HG54QYETBVB25STD · pith_short_8: HG54QYET

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/HG54QYETBVB25STDM4B52MC2CV \
  | 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: 39bbc860930d43aeca636703dd305a15446176e9ea7040121526ae81dc158e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "627fe9ab35ed3fc99d4f3cc3b494936913a34c6d07b12c3a8d8c8f540859a892",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-25T22:26:53Z",
    "title_canon_sha256": "62f560df8e6b11ee2a36f9c862fdbf63a28d69c239210443b6fab64eda260f7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09643",
    "kind": "arxiv",
    "version": 1
  }
}