Pith Number

pith:ORHUHICJ

pith:2016:ORHUHICJDKDSLPCCYJI77KYDYH

not attested not anchored not stored refs pending

On non-optimal spectral factorizations

I. Selesnick, I. Spitkovsky, L. Ephremidze

arxiv:1609.02058 v1 · 2016-09-07 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORHUHICJDKDSLPCCYJI77KYDYH}

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	2026-05-18T01:05:09.278104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

744f43a0491a8725bc42c251ffab03c1c35a9dc0e977856510d2d2b2a8cc5f4a

Aliases

arxiv: 1609.02058 · arxiv_version: 1609.02058v1 · doi: 10.48550/arxiv.1609.02058 · pith_short_12: ORHUHICJDKDS · pith_short_16: ORHUHICJDKDSLPCC · pith_short_8: ORHUHICJ

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/ORHUHICJDKDSLPCCYJI77KYDYH \
  | 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: 744f43a0491a8725bc42c251ffab03c1c35a9dc0e977856510d2d2b2a8cc5f4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95a3b1965f1caf372ef889bed3f2c8970783bdf46f40fe4b5eb4f1e76effc311",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2016-09-07T16:37:42Z",
    "title_canon_sha256": "c9ac4609ae658b0a6a6bdad05b31d081127a62ac28220c9754d6eace431b43ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02058",
    "kind": "arxiv",
    "version": 1
  }
}