Pith Number

pith:FR6ZVYI6

pith:2015:FR6ZVYI6SZTHOYFLMSX54CVFQZ

not attested not anchored not stored refs pending

From Static to Dynamic Tag Population Estimation: An Extended Kalman Filter Perspective

Jihong Yu, Lin Chen

arxiv:1511.08355 v1 · 2015-11-26 · 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{FR6ZVYI6SZTHOYFLMSX54CVFQZ}

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	2026-05-18T01:25:54.302061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c7d9ae11e96667760ab64afde0aa5867bbc0de01d6b8a358d55a3c46bdcac38

Aliases

arxiv: 1511.08355 · arxiv_version: 1511.08355v1 · doi: 10.48550/arxiv.1511.08355 · pith_short_12: FR6ZVYI6SZTH · pith_short_16: FR6ZVYI6SZTHOYFL · pith_short_8: FR6ZVYI6

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/FR6ZVYI6SZTHOYFLMSX54CVFQZ \
  | 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: 2c7d9ae11e96667760ab64afde0aa5867bbc0de01d6b8a358d55a3c46bdcac38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fe7e8030459a618fb7d24ac20df1d1c9cc53b1e689a347c18b296ec3d24ccf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-11-26T11:03:21Z",
    "title_canon_sha256": "6bb0ec7be5c69de92d56f0b0351db58dd9d8c53e9c68afe390df0e95c9e36fc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08355",
    "kind": "arxiv",
    "version": 1
  }
}