Pith Number

pith:QMVWFG45

pith:2013:QMVWFG45BVCSBDHP6OCEQXNNLO

not attested not anchored not stored refs pending

Cocalibrated G_2-manifolds with Ricci flat characteristic connection

Thomas Friedrich

arxiv:1303.7444 v1 · 2013-03-29 · math.DG · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMVWFG45BVCSBDHP6OCEQXNNLO}

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	2026-05-18T03:29:28.389361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

832b629b9d0d45208ceff384485dad5bbcbdcae2a47d1b720ce403d8ceaf6a56

Aliases

arxiv: 1303.7444 · arxiv_version: 1303.7444v1 · doi: 10.48550/arxiv.1303.7444 · pith_short_12: QMVWFG45BVCS · pith_short_16: QMVWFG45BVCSBDHP · pith_short_8: QMVWFG45

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/QMVWFG45BVCSBDHP6OCEQXNNLO \
  | 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: 832b629b9d0d45208ceff384485dad5bbcbdcae2a47d1b720ce403d8ceaf6a56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f148fea62fbbb4a2c151af743f7da0a61d05a3008a1bd0d17839ab18f9f685a",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-03-29T17:34:57Z",
    "title_canon_sha256": "16c8c9a3c658fbd22dfdb9e5d987bc644c0b4a0af718500bc1e134e4b838b225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7444",
    "kind": "arxiv",
    "version": 1
  }
}