Pith. sign in
Pith Number

pith:U3LE2ZX5

pith:2019:U3LE2ZX5CYNABHYSAANGR2EJQA
not attested not anchored not stored refs pending

Minimum-length Ricci scalar for null separated events

Alessandro Pesci

arxiv:1911.04135 v3 · 2019-11-11 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{U3LE2ZX5CYNABHYSAANGR2EJQA}

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

Receipt and verification
First computed 2026-07-05T02:05:22.654288Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a6d64d66fd161a009f12001a68e889802f570800aa90694c9fa7ede9814bcbae

Aliases

arxiv: 1911.04135 · arxiv_version: 1911.04135v3 · doi: 10.48550/arxiv.1911.04135 · pith_short_12: U3LE2ZX5CYNA · pith_short_16: U3LE2ZX5CYNABHYS · pith_short_8: U3LE2ZX5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/U3LE2ZX5CYNABHYSAANGR2EJQA \
  | 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: a6d64d66fd161a009f12001a68e889802f570800aa90694c9fa7ede9814bcbae
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a5329070f8cd67821293811d390f7b2f59d0b6bc76365296286bb0205229d060",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-11-11T08:34:22Z",
    "title_canon_sha256": "9eafa3865c27bb84f2bbbcefe116ac95fb1a669052e346478ac6f28f7fd754a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.04135",
    "kind": "arxiv",
    "version": 3
  }
}