Pith Number

pith:GZCDEYNM

pith:2021:GZCDEYNM2562Z47ESARJZJXZWA

not attested not anchored not stored refs pending

Generalized Orthogonal Procrustes Problem under Arbitrary Adversaries

Shuyang Ling

arxiv:2106.15493 v3 · 2021-06-29 · cs.IT · math.IT · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GZCDEYNM2562Z47ESARJZJXZWA}

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	2026-07-05T09:53:37.006264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36443261acd77dacf3e490229ca6f9b0164a882a41d3af6ce20c480f807dbd22

Aliases

arxiv: 2106.15493 · arxiv_version: 2106.15493v3 · doi: 10.48550/arxiv.2106.15493 · pith_short_12: GZCDEYNM2562 · pith_short_16: GZCDEYNM2562Z47E · pith_short_8: GZCDEYNM

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/GZCDEYNM2562Z47ESARJZJXZWA \
  | 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: 36443261acd77dacf3e490229ca6f9b0164a882a41d3af6ce20c480f807dbd22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "001a5edd80cbf101f671fc3799ae9eb1dbbbe04585ed319885f645fd5a13b33c",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-06-29T15:19:25Z",
    "title_canon_sha256": "788d00e97d3723153ec703f4831620db49fb1e09cb4578f61f9ec0e5504eaab2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.15493",
    "kind": "arxiv",
    "version": 3
  }
}