Pith Number

pith:QKLVL2LZ

pith:2021:QKLVL2LZDH2RTT4XQHGP7Y3ULI

not attested not anchored not stored refs pending

M-theory and the birth of the Universe

F.R. Klinkhamer

arxiv:2102.11202 v6 · 2021-02-22 · 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{QKLVL2LZDH2RTT4XQHGP7Y3ULI}

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

Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm

Receipt and verification

First computed	2026-07-05T03:00:08.414853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

829755e97919f519cf9781ccffe3745a120f25333729c163e820d2eef8394ebb

Aliases

arxiv: 2102.11202 · arxiv_version: 2102.11202v6 · doi: 10.48550/arxiv.2102.11202 · pith_short_12: QKLVL2LZDH2R · pith_short_16: QKLVL2LZDH2RTT4X · pith_short_8: QKLVL2LZ

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/QKLVL2LZDH2RTT4XQHGP7Y3ULI \
  | 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: 829755e97919f519cf9781ccffe3745a120f25333729c163e820d2eef8394ebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2380f2b42d21ec9ece9444c870d34224dd8ea1765323c7316bbe299107ed5049",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-02-22T17:27:45Z",
    "title_canon_sha256": "d172b2975590d6bacc55b4f7f92aa9233b2294c8ff3ce3926184def65771fc3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11202",
    "kind": "arxiv",
    "version": 6
  }
}