Pith. sign in
Pith Number

pith:PMQORIWX

pith:2019:PMQORIWXWHAVY6O7FTPHVQYJ64
not attested not anchored not stored refs pending

Non-Riemannian geometry of M-theory

Chris D. A. Blair, David S. Berman, Ray Otsuki

arxiv:1902.01867 v3 · 2019-02-05 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PMQORIWXWHAVY6O7FTPHVQYJ64}

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 2026-07-04T23:50:54.157716Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7b20e8a2d7b1c15c79df2cde7ac309f704f3f5bb00a5845c95d703a7bd7cd88e

Aliases

arxiv: 1902.01867 · arxiv_version: 1902.01867v3 · doi: 10.48550/arxiv.1902.01867 · pith_short_12: PMQORIWXWHAV · pith_short_16: PMQORIWXWHAVY6O7 · pith_short_8: PMQORIWX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PMQORIWXWHAVY6O7FTPHVQYJ64 \
  | 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: 7b20e8a2d7b1c15c79df2cde7ac309f704f3f5bb00a5845c95d703a7bd7cd88e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "54ea9d7a067777e1b2433b3ebc8e0361e9a891bf477286f9dff3e6cf9050dbc3",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-02-05T19:00:07Z",
    "title_canon_sha256": "c8cc3bc7e304eb22c6b364d6c0e1de0772772db2e03121a7ee6a95df75219262"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01867",
    "kind": "arxiv",
    "version": 3
  }
}