Pith Number

pith:XNA6XQ5J

pith:2017:XNA6XQ5JVV2UOYJIIRZZ5YLRDO

not attested not anchored not stored refs pending

The Diederich--Forn\ae ss index II: for domains of trivial index

Bingyuan Liu

arxiv:1701.07418 v4 · 2017-01-25 · math.CV · 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{XNA6XQ5JVV2UOYJIIRZZ5YLRDO}

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	2026-05-18T00:34:41.963703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb41ebc3a9ad7547612844739ee1711b8453634db61c568a21571f05eb582044

Aliases

arxiv: 1701.07418 · arxiv_version: 1701.07418v4 · doi: 10.48550/arxiv.1701.07418 · pith_short_12: XNA6XQ5JVV2U · pith_short_16: XNA6XQ5JVV2UOYJI · pith_short_8: XNA6XQ5J

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/XNA6XQ5JVV2UOYJIIRZZ5YLRDO \
  | 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: bb41ebc3a9ad7547612844739ee1711b8453634db61c568a21571f05eb582044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09bb8e543fa762173aaeececcd300fb6ae2586bfa2effa40459473f7b2ebeddd",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-01-25T18:30:40Z",
    "title_canon_sha256": "989db23a65514eed6153293eeade42758828cabc5aacd16f8ac2ccbf672e6e20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07418",
    "kind": "arxiv",
    "version": 4
  }
}