Pith Number

pith:NLMX3Z7M

pith:2009:NLMX3Z7M53B5WDWHYIN45B43VV

not attested not anchored not stored refs pending

Filling minimality of Finslerian 2-discs

Sergei Ivanov

arxiv:0910.2257 v2 · 2009-10-13 · math.DG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NLMX3Z7M53B5WDWHYIN45B43VV}

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	2026-05-18T04:12:00.839493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ad97de7eceec3db0ec7c21bce879bad60ac19f3a37b91493e5913268da8ab6a

Aliases

arxiv: 0910.2257 · arxiv_version: 0910.2257v2 · doi: 10.48550/arxiv.0910.2257 · pith_short_12: NLMX3Z7M53B5 · pith_short_16: NLMX3Z7M53B5WDWH · pith_short_8: NLMX3Z7M

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/NLMX3Z7M53B5WDWHYIN45B43VV \
  | 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: 6ad97de7eceec3db0ec7c21bce879bad60ac19f3a37b91493e5913268da8ab6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "237e1a2417e18de0be4d96b0ffd7785596f85558070fbb4e882b7c6321dfd4f6",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-10-13T02:33:29Z",
    "title_canon_sha256": "834e5f2399fb1116a9fba0ea200799e1eeb5e0100c17466b731b4cb14d72dbcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2257",
    "kind": "arxiv",
    "version": 2
  }
}