Pith Number

pith:2NPLA7CY

pith:2016:2NPLA7CYVW34HK6G43TQNNUQFZ

not attested not anchored not stored refs pending

State Estimation with Secrecy against Eavesdroppers

Anastasios Tsiamis, George J. Pappas, Konstantinos Gatsis

arxiv:1612.04942 v1 · 2016-12-15 · cs.SY · cs.CR · 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{2NPLA7CYVW34HK6G43TQNNUQFZ}

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	2026-05-18T00:54:53.850313Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d35eb07c58adb7c3abc6e6e706b6902e735656305892df3b9005306cf7730b86

Aliases

arxiv: 1612.04942 · arxiv_version: 1612.04942v1 · doi: 10.48550/arxiv.1612.04942 · pith_short_12: 2NPLA7CYVW34 · pith_short_16: 2NPLA7CYVW34HK6G · pith_short_8: 2NPLA7CY

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/2NPLA7CYVW34HK6G43TQNNUQFZ \
  | 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: d35eb07c58adb7c3abc6e6e706b6902e735656305892df3b9005306cf7730b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a6542dd3909c975a274fef302e02cb3c5051495ace42391d01b5ee059763295",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2016-12-15T06:22:24Z",
    "title_canon_sha256": "5de59c1bfe93b3097597bb6a77aa44401d3ea6d19ffe4125147871b9f6470350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04942",
    "kind": "arxiv",
    "version": 1
  }
}