Pith Number

pith:RJYEF5EC

pith:2026:RJYEF5ECHP7YBCKVOFG4XCKBVL

not attested not anchored not stored refs pending

Dihedral Rigidity for Convex Polytopes by Smooth Approximation

Yuchen Bi

arxiv:2608.06320 v1 · 2026-08-06 · 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{RJYEF5ECHP7YBCKVOFG4XCKBVL}

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	2026-08-07T01:41:21.906381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a7042f4823bff808955714dcb8941aafffbc5b91b495e6938ca050a89692d2c

Aliases

arxiv: 2608.06320 · arxiv_version: 2608.06320v1 · doi: 10.48550/arxiv.2608.06320 · pith_short_12: RJYEF5ECHP7Y · pith_short_16: RJYEF5ECHP7YBCKV · pith_short_8: RJYEF5EC

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/RJYEF5ECHP7YBCKVOFG4XCKBVL \
  | 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: 8a7042f4823bff808955714dcb8941aafffbc5b91b495e6938ca050a89692d2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43dd2bd23ade913c2726aa5a58f09c8e0dd004a092423f0962172006b6dd97ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-08-06T17:35:23Z",
    "title_canon_sha256": "ee2d7918a2f602f3e202f9019bfea188cae2379d094c093782131e28e430c89c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.06320",
    "kind": "arxiv",
    "version": 1
  }
}