Pith Number

pith:DFHSR2PX

pith:2014:DFHSR2PXFJT7RGCZQJGVPMBNPS

not attested not anchored not stored refs pending

Estimates for Minimal Volume and Minimal Curvature on 4-dimensional compact manifolds

E. Costa, E. Ribeiro Jr, R. Di\'ogenes

arxiv:1407.8137 v3 · 2014-07-30 · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFHSR2PXFJT7RGCZQJGVPMBNPS}

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	2026-05-18T02:26:58.847337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

194f28e9f72a67f89859824d57b02d7ca6905da9944de74af864b223b6ad0096

Aliases

arxiv: 1407.8137 · arxiv_version: 1407.8137v3 · doi: 10.48550/arxiv.1407.8137 · pith_short_12: DFHSR2PXFJT7 · pith_short_16: DFHSR2PXFJT7RGCZ · pith_short_8: DFHSR2PX

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/DFHSR2PXFJT7RGCZQJGVPMBNPS \
  | 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: 194f28e9f72a67f89859824d57b02d7ca6905da9944de74af864b223b6ad0096

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "426fa38a2959251c56f15782d1cd77ebb04b4be6d588fd89e34800e9783780d5",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-07-30T17:36:58Z",
    "title_canon_sha256": "192b08da4c5f626ba1e67cf73c17ce7bb6040ca35f3b681d547747f4319cbf60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8137",
    "kind": "arxiv",
    "version": 3
  }
}