Pith Number

pith:FQBD7K44

pith:2018:FQBD7K44GOQYTFDIBWCTFVMNRJ

not attested not anchored not stored refs pending

Diverging sequences of unit volume invariant metrics with bounded curvature

Francesco Pediconi

arxiv:1812.08074 v3 · 2018-12-19 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQBD7K44GOQYTFDIBWCTFVMNRJ}

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	2026-05-17T23:39:40.024575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c023fab9c33a18994680d8532d58d8a5b0d7324276040a2d6a4950a1a48a8b1

Aliases

arxiv: 1812.08074 · arxiv_version: 1812.08074v3 · doi: 10.48550/arxiv.1812.08074 · pith_short_12: FQBD7K44GOQY · pith_short_16: FQBD7K44GOQYTFDI · pith_short_8: FQBD7K44

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/FQBD7K44GOQYTFDIBWCTFVMNRJ \
  | 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: 2c023fab9c33a18994680d8532d58d8a5b0d7324276040a2d6a4950a1a48a8b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da2941ae3f34705b077ebb07a3c3a85b2e1aa2081a9eedad15ff8dc6fb038034",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-12-19T16:50:32Z",
    "title_canon_sha256": "8e261b752a340c26098abda59a4f1d05d2241f2e64aeab77a4060a6484255e32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08074",
    "kind": "arxiv",
    "version": 3
  }
}