Pith Number

pith:PVNJOTCU

pith:2011:PVNJOTCU72GHGAKVGTUQDNO5PT

not attested not anchored not stored refs pending

On State Estimation with Bad Data Detection

Ao Tang, Meng Wang, Weiyu Xu

arxiv:1105.0442 v1 · 2011-05-02 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PVNJOTCU72GHGAKVGTUQDNO5PT}

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	2026-05-18T04:23:11.289905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d5a974c54fe8c73015534e901b5dd7cf1101480fec77de6b21909f3101cb33f

Aliases

arxiv: 1105.0442 · arxiv_version: 1105.0442v1 · doi: 10.48550/arxiv.1105.0442 · pith_short_12: PVNJOTCU72GH · pith_short_16: PVNJOTCU72GHGAKV · pith_short_8: PVNJOTCU

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/PVNJOTCU72GHGAKVGTUQDNO5PT \
  | 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: 7d5a974c54fe8c73015534e901b5dd7cf1101480fec77de6b21909f3101cb33f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8eff084b594c9be61bc2f99a59346bb9765a496546b718fb0cf94817df868f6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-05-02T21:41:09Z",
    "title_canon_sha256": "b0b0d05657563701a3c18a2b4033647995c40349f9ab1d13be886db060f24f6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0442",
    "kind": "arxiv",
    "version": 1
  }
}