Pith Number

pith:QFVYS33N

pith:2017:QFVYS33NTG6NTIQIRKVZJ3IFOE

not attested not anchored not stored refs pending

Evolution and metric signature change of maximally symmetric spaces under the Ricci flow

A. Herrera-Aguilar, J. A. Olvera-Santamar\'ia, R. Cartas-Fuentevilla

arxiv:1707.07235 v3 · 2017-07-23 · 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{QFVYS33NTG6NTIQIRKVZJ3IFOE}

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	2026-05-18T00:15:37.517223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

816b896f6d99bcd9a2088aab94ed05710448238a2316591da7dabd8a82b1b8ec

Aliases

arxiv: 1707.07235 · arxiv_version: 1707.07235v3 · doi: 10.48550/arxiv.1707.07235 · pith_short_12: QFVYS33NTG6N · pith_short_16: QFVYS33NTG6NTIQI · pith_short_8: QFVYS33N

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/QFVYS33NTG6NTIQIRKVZJ3IFOE \
  | 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: 816b896f6d99bcd9a2088aab94ed05710448238a2316591da7dabd8a82b1b8ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36267f76220fdaeb05cdcdda9f07773c5e2bf89330f2ba424eace91fab9c5552",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-07-23T01:04:24Z",
    "title_canon_sha256": "b716a9bd35d1075ed64dd2e858850c71bb7eba30a5bbae786fe422360eca6c46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07235",
    "kind": "arxiv",
    "version": 3
  }
}