Pith Number

pith:DQVHWK72

pith:2015:DQVHWK72SJHTA7ISUTOOJKDDNB

not attested not anchored not stored refs pending

Sensorless Battery Internal Temperature Estimation using a Kalman Filter with Impedance Measurement

David A. Howey, Robert R. Richardson

arxiv:1501.06160 v1 · 2015-01-25 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQVHWK72SJHTA7ISUTOOJKDDNB}

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	2026-05-18T02:19:42.292423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c2a7b2bfa924f307d12a4dce4a863684e0757b74919efbeaef5206ed7136ade

Aliases

arxiv: 1501.06160 · arxiv_version: 1501.06160v1 · doi: 10.48550/arxiv.1501.06160 · pith_short_12: DQVHWK72SJHT · pith_short_16: DQVHWK72SJHTA7IS · pith_short_8: DQVHWK72

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/DQVHWK72SJHTA7ISUTOOJKDDNB \
  | 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: 1c2a7b2bfa924f307d12a4dce4a863684e0757b74919efbeaef5206ed7136ade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b192c08db49398ebbd51d4f429626283608468185ac1b3a1d41fab8c4443abb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-01-25T13:54:27Z",
    "title_canon_sha256": "17f2a8f6d2ebd8d4852d134d4ae02b107ec74c66095844ea8ecd76c26f843ebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06160",
    "kind": "arxiv",
    "version": 1
  }
}