Pith Number

pith:E7ZXGDAH

pith:2017:E7ZXGDAHSQEJJCKJRRFV5ZTSHK

not attested not anchored not stored refs pending

Useful redundancy in parameter and time delay estimation for continuous-time models

Huong Ha, James S. Welsh, Mazen Alamir

arxiv:1703.09344 v1 · 2017-03-27 · 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{E7ZXGDAHSQEJJCKJRRFV5ZTSHK}

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	2026-05-18T00:10:13.816019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27f3730c0794089489498c4b5ee6723a83984e8f4b6fa88cdbee263f0b0cb071

Aliases

arxiv: 1703.09344 · arxiv_version: 1703.09344v1 · doi: 10.48550/arxiv.1703.09344 · pith_short_12: E7ZXGDAHSQEJ · pith_short_16: E7ZXGDAHSQEJJCKJ · pith_short_8: E7ZXGDAH

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/E7ZXGDAHSQEJJCKJRRFV5ZTSHK \
  | 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: 27f3730c0794089489498c4b5ee6723a83984e8f4b6fa88cdbee263f0b0cb071

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9297ce6f194be4f3b5abc08a474d24e4dbb4b0eb7a0be037222293b29ec7568",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-03-27T23:37:46Z",
    "title_canon_sha256": "3cfd138974252e37058c56d5f6e46de7c572cf1ec40e3bf89825840b10111ba2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09344",
    "kind": "arxiv",
    "version": 1
  }
}