Pith Number

pith:7B65XBJF

pith:2015:7B65XBJFT2ITAWS344FFJZFXRM

not attested not anchored not stored refs pending

Concurrent learning for parameter estimation using dynamic state-derivative estimators

Ben Reish, Girish Chowdhary, Rushikesh Kamalapurkar, Warren E. Dixon

arxiv:1507.08903 v1 · 2015-07-31 · cs.SY · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7B65XBJFT2ITAWS344FFJZFXRM}

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	2026-05-18T00:39:48.172804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f87ddb85259e91305a5be70a54e4b78b3d5152dfe186c9581a7d482c07b0b4c2

Aliases

arxiv: 1507.08903 · arxiv_version: 1507.08903v1 · doi: 10.48550/arxiv.1507.08903 · pith_short_12: 7B65XBJFT2IT · pith_short_16: 7B65XBJFT2ITAWS3 · pith_short_8: 7B65XBJF

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/7B65XBJFT2ITAWS344FFJZFXRM \
  | 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: f87ddb85259e91305a5be70a54e4b78b3d5152dfe186c9581a7d482c07b0b4c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99558995dedfa08a19b82f13997a81fe77b66aa0bdf9b22734d5b6183b3cddb9",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-07-31T14:52:29Z",
    "title_canon_sha256": "8449e572c3f3bc8e128439173efac617af68cf4bd9eb3a92a1e52825c7f81c3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08903",
    "kind": "arxiv",
    "version": 1
  }
}