Pith Number

pith:DISO6THM

pith:2011:DISO6THMEBTHMBBPHIXHJFYSFP

not attested not anchored not stored refs pending

Matrix probing and its conditioning

Jiawei Chiu, Laurent Demanet

arxiv:1102.5689 v3 · 2011-02-28 · math.NA · cs.NA · math.PR · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DISO6THMEBTHMBBPHIXHJFYSFP}

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	2026-05-18T04:10:47.061565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a24ef4cec206676042f3a2e7497122bc5c771242a91b95559f267815115406f

Aliases

arxiv: 1102.5689 · arxiv_version: 1102.5689v3 · doi: 10.48550/arxiv.1102.5689 · pith_short_12: DISO6THMEBTH · pith_short_16: DISO6THMEBTHMBBP · pith_short_8: DISO6THM

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/DISO6THMEBTHMBBPHIXHJFYSFP \
  | 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: 1a24ef4cec206676042f3a2e7497122bc5c771242a91b95559f267815115406f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5747f2c0860c90b43a7d70e916f13286a1aa2df8551fe025e6723d87ac168fc",
    "cross_cats_sorted": [
      "cs.NA",
      "math.PR",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-02-28T15:29:16Z",
    "title_canon_sha256": "738e7e94aaa9c068e059737e3b3ca73dac6281cf5ad51d22184130aa42303ee8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5689",
    "kind": "arxiv",
    "version": 3
  }
}