Pith Number

pith:EZZOPOZS

pith:2018:EZZOPOZSHUQAWDSPX7O5KYFXJX

not attested not anchored not stored refs pending

A Geometric Obstruction to Almost Global Synchronization on Riemannian Manifolds

Johan Markdahl

arxiv:1808.00862 v5 · 2018-08-02 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZZOPOZSHUQAWDSPX7O5KYFXJX}

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	2026-05-17T23:51:05.574213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2672e7bb323d200b0e4fbfddd560b74dc465421b04f3fb409cc8fcd45dadf3e5

Aliases

arxiv: 1808.00862 · arxiv_version: 1808.00862v5 · doi: 10.48550/arxiv.1808.00862 · pith_short_12: EZZOPOZSHUQA · pith_short_16: EZZOPOZSHUQAWDSP · pith_short_8: EZZOPOZS

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/EZZOPOZSHUQAWDSPX7O5KYFXJX \
  | 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: 2672e7bb323d200b0e4fbfddd560b74dc465421b04f3fb409cc8fcd45dadf3e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69b5758e8c8d765c1f16093ee02cd2ddea1e4d86dccdbcd8cc591e29c71a07f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-08-02T15:39:39Z",
    "title_canon_sha256": "80a3341b4a5e17c782d16a1cd67730d3032acea4a9328f263537631cdbb1cedb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00862",
    "kind": "arxiv",
    "version": 5
  }
}