Pith Number

pith:WD74RL6K

pith:2013:WD74RL6KBSBE734WFQIIT35TET

not attested not anchored not stored refs pending

Algebraic topology of $G_2$ manifolds

Mustafa Kalafat, Selman Akbulut

arxiv:1308.2263 v2 · 2013-08-10 · math.DG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WD74RL6KBSBE734WFQIIT35TET}

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	2026-05-18T01:14:18.483074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0ffc8afca0c824fef962c1089efb324fc82bc15e247e80f22d23d54b03a6302

Aliases

arxiv: 1308.2263 · arxiv_version: 1308.2263v2 · doi: 10.48550/arxiv.1308.2263 · pith_short_12: WD74RL6KBSBE · pith_short_16: WD74RL6KBSBE734W · pith_short_8: WD74RL6K

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/WD74RL6KBSBE734WFQIIT35TET \
  | 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: b0ffc8afca0c824fef962c1089efb324fc82bc15e247e80f22d23d54b03a6302

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2652fbe60059e809f2baa3953f8fbc19f69450757b207854773cbf5568309b9f",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-08-10T00:41:58Z",
    "title_canon_sha256": "d8350f3419532674729512c3eead9b687def0902e104d539aa962e80c1cce0dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2263",
    "kind": "arxiv",
    "version": 2
  }
}