Pith Number

pith:6PSZ26KW

pith:2010:6PSZ26KWNB66ICTHN75HQQCGGV

not attested not anchored not stored refs pending

Optimal combination of data modes in inverse problems: maximum compatibility estimate

Mikko Kaasalainen

arxiv:1001.2634 v1 · 2010-01-15 · math.OC · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PSZ26KWNB66ICTHN75HQQCGGV}

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	2026-05-18T04:28:09.954944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3e59d7956687de40a676ffa784046357152bbfb87c0eb022c591890fafbc0c2

Aliases

arxiv: 1001.2634 · arxiv_version: 1001.2634v1 · doi: 10.48550/arxiv.1001.2634 · pith_short_12: 6PSZ26KWNB66 · pith_short_16: 6PSZ26KWNB66ICTH · pith_short_8: 6PSZ26KW

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/6PSZ26KWNB66ICTHN75HQQCGGV \
  | 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: f3e59d7956687de40a676ffa784046357152bbfb87c0eb022c591890fafbc0c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfa5d6359e2994507b0071eac33d0fe75cb0bbe54d6a5ad0d77e2b636e8e1924",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2010-01-15T08:33:23Z",
    "title_canon_sha256": "05c2f8e32d5161565e56751b0e1ed76ab76e25cefab1bc63dbde53e4883bb65e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2634",
    "kind": "arxiv",
    "version": 1
  }
}