Pith Number

pith:XRRZFZBP

pith:2017:XRRZFZBPAFXXFXC34RPTPFFPR6

not attested not anchored not stored refs pending

Necessary subspace concentration conditions for the even dual Minkowski problem

Hannes Pollehn, Martin Henk

arxiv:1703.10528 v1 · 2017-03-30 · math.MG · 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{XRRZFZBPAFXXFXC34RPTPFFPR6}

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	2026-05-18T00:47:34.465991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc6392e42f016f72dc5be45f3794af8fa8ea938dc5ccdce43470ab67c8fe3dbe

Aliases

arxiv: 1703.10528 · arxiv_version: 1703.10528v1 · doi: 10.48550/arxiv.1703.10528 · pith_short_12: XRRZFZBPAFXX · pith_short_16: XRRZFZBPAFXXFXC3 · pith_short_8: XRRZFZBP

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/XRRZFZBPAFXXFXC34RPTPFFPR6 \
  | 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: bc6392e42f016f72dc5be45f3794af8fa8ea938dc5ccdce43470ab67c8fe3dbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e8d53c0b2d2d0b7bd4385e04c47e9f5531a796e6a385006b5dbd29a67563d29",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-03-30T15:28:20Z",
    "title_canon_sha256": "e073f7d1459231f4641acba551900d61c07526a9439fc5b745eacbf517daa737"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10528",
    "kind": "arxiv",
    "version": 1
  }
}