Pith Number

pith:3YYWMDOS

pith:2017:3YYWMDOSV7XXFGA4PPB5NAHJ63

not attested not anchored not stored refs pending

Quermassintegral preserving curvature flow in Hyperbolic space

Ben Andrews, Yong Wei

arxiv:1708.09583 v2 · 2017-08-31 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3YYWMDOSV7XXFGA4PPB5NAHJ63}

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	2026-05-17T23:49:06.226335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de31660dd2afef72981c7bc3d680e9f6f0aada48d9ca7b9ee403625178137d33

Aliases

arxiv: 1708.09583 · arxiv_version: 1708.09583v2 · doi: 10.48550/arxiv.1708.09583 · pith_short_12: 3YYWMDOSV7XX · pith_short_16: 3YYWMDOSV7XXFGA4 · pith_short_8: 3YYWMDOS

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/3YYWMDOSV7XXFGA4PPB5NAHJ63 \
  | 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: de31660dd2afef72981c7bc3d680e9f6f0aada48d9ca7b9ee403625178137d33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6f181acba5a465590700e9d82c63a3265b9dfb8f963ee75d7779bc9854d3e52",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-08-31T06:41:50Z",
    "title_canon_sha256": "d89439a3bbb03589683dba8a01081f5ab698cc36bddef94c0fe0d33672ebed77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09583",
    "kind": "arxiv",
    "version": 2
  }
}