Pith Number

pith:2HN6SPWE

pith:2026:2HN6SPWEYNOH67YLYLR3MOFQYM

not attested not anchored not stored refs pending

On Santal\'{o}'s Problem

Fang Hong

arxiv:2606.01771 v1 · 2026-06-01 · 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{2HN6SPWEYNOH67YLYLR3MOFQYM}

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	2026-06-02T02:04:56.188952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1dbe93ec4c35c7f7f0bc2e3b638b0c31b884ca8dca5865502ef4bc8572634ea

Aliases

arxiv: 2606.01771 · arxiv_version: 2606.01771v1 · doi: 10.48550/arxiv.2606.01771 · pith_short_12: 2HN6SPWEYNOH · pith_short_16: 2HN6SPWEYNOH67YL · pith_short_8: 2HN6SPWE

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/2HN6SPWEYNOH67YLYLR3MOFQYM \
  | 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: d1dbe93ec4c35c7f7f0bc2e3b638b0c31b884ca8dca5865502ef4bc8572634ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65913180fd9ecaf95cbaca66206ea7a0052dc10a9b8a63bc3b28fd7e7940a380",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-06-01T06:53:33Z",
    "title_canon_sha256": "d38dca31a8951c1a4cbc7c3253f89f64df625ae75f68491751aeb98b2efa06e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01771",
    "kind": "arxiv",
    "version": 1
  }
}