Pith Number

pith:EO3CDU5G

pith:2017:EO3CDU5GE2PQD4CEUQ4RRCTCQS

not attested not anchored not stored refs pending

Global geometry and $C^1$ convex extensions of $1$-jets

Carlos Mudarra, Daniel Azagra

arxiv:1706.09808 v7 · 2017-06-29 · math.DG · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EO3CDU5GE2PQD4CEUQ4RRCTCQS}

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	2026-05-18T00:02:02.125349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23b621d3a6269f01f044a439188a6284bdf0668439bf7c94c09770c669cb3633

Aliases

arxiv: 1706.09808 · arxiv_version: 1706.09808v7 · doi: 10.48550/arxiv.1706.09808 · pith_short_12: EO3CDU5GE2PQ · pith_short_16: EO3CDU5GE2PQD4CE · pith_short_8: EO3CDU5G

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/EO3CDU5GE2PQD4CEUQ4RRCTCQS \
  | 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: 23b621d3a6269f01f044a439188a6284bdf0668439bf7c94c09770c669cb3633

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a3ac605c8975b572f5d0d9b4c09507a8943bec9bad9e246f96ed066714abd31",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-06-29T15:32:31Z",
    "title_canon_sha256": "8a1fee7c192bce8422c58382cd8ad6f03b921999f7eaf5d63011088f49e14fe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09808",
    "kind": "arxiv",
    "version": 7
  }
}