Pith Number

pith:ATKGW2YA

pith:2020:ATKGW2YAHJDAPCOIRKMSCWIY4A

not attested not anchored not stored refs pending

Topological invariants and the definition of energy in quadratic gravity theory

David Rivera-Betancour, Gaston Giribet, Olivera Miskovic, Rodrigo Olea

arxiv:2001.09459 v2 · 2020-01-26 · hep-th · 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{ATKGW2YAHJDAPCOIRKMSCWIY4A}

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

Planar AdS multi-NUT spacetimes and Kaluza-Klein multi-monopoles

Receipt and verification

First computed	2026-07-05T00:50:13.090056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04d46b6b003a460789c88a99215918e0167e242e0fdfc3400ea4d5d958454902

Aliases

arxiv: 2001.09459 · arxiv_version: 2001.09459v2 · doi: 10.48550/arxiv.2001.09459 · pith_short_12: ATKGW2YAHJDA · pith_short_16: ATKGW2YAHJDAPCOI · pith_short_8: ATKGW2YA

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/ATKGW2YAHJDAPCOIRKMSCWIY4A \
  | 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: 04d46b6b003a460789c88a99215918e0167e242e0fdfc3400ea4d5d958454902

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a08f85db26c81124858472803c4e737a60179a2ca1900cdc2f08c86a6cd6d25",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-01-26T14:21:04Z",
    "title_canon_sha256": "c3d6a6965c0db306e8d61baa10923eb0aa6ee1019c1eadadfe000c00904a4feb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.09459",
    "kind": "arxiv",
    "version": 2
  }
}