Pith Number

pith:COA5C5A3

pith:2011:COA5C5A3HFB4SBPMMYLIR5XK6U

not attested not anchored not stored refs pending

Rigidity of Convex Surfaces in Homogeneous Spaces

Harold Rosenberg, Renato Tribuzy

arxiv:1102.5455 v1 · 2011-02-26 · 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{COA5C5A3HFB4SBPMMYLIR5XK6U}

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	2026-05-18T04:27:46.877735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1381d1741b3943c905ec661688f6eaf52fd76b8a403c3a0dba6f2373236bb276

Aliases

arxiv: 1102.5455 · arxiv_version: 1102.5455v1 · doi: 10.48550/arxiv.1102.5455 · pith_short_12: COA5C5A3HFB4 · pith_short_16: COA5C5A3HFB4SBPM · pith_short_8: COA5C5A3

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/COA5C5A3HFB4SBPMMYLIR5XK6U \
  | 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: 1381d1741b3943c905ec661688f6eaf52fd76b8a403c3a0dba6f2373236bb276

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4559b4e9d0431e71d60687ee4951633301f1d884a67038035b2a1555942b7174",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-02-26T22:00:41Z",
    "title_canon_sha256": "58a5f226c6c2a7d50956207ed7299318683f4010132d34f227ede16b02c0feeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5455",
    "kind": "arxiv",
    "version": 1
  }
}