Pith Number

pith:KMLX3LKA

pith:2021:KMLX3LKAZPFFKQ7Z2222EPTR4N

not attested not anchored not stored refs pending

A Dynamic Watermarking Algorithm for Finite Markov Decision Problems

Abhishek Gupta, Jiacheng Tang, Jiguo Song

arxiv:2111.04952 v1 · 2021-11-09 · eess.SY · 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{KMLX3LKAZPFFKQ7Z2222EPTR4N}

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	2026-07-05T03:30:19.893350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53177dad40cbca5543f9d6b5a23e71e35e6adefe0295920e63ae923f7dbecb81

Aliases

arxiv: 2111.04952 · arxiv_version: 2111.04952v1 · doi: 10.48550/arxiv.2111.04952 · pith_short_12: KMLX3LKAZPFF · pith_short_16: KMLX3LKAZPFFKQ7Z · pith_short_8: KMLX3LKA

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/KMLX3LKAZPFFKQ7Z2222EPTR4N \
  | 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: 53177dad40cbca5543f9d6b5a23e71e35e6adefe0295920e63ae923f7dbecb81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca4794ea462d930f256a11814fc3ba5088edbecaf38f9db29582f307b62d3b2f",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-11-09T04:30:50Z",
    "title_canon_sha256": "9db036a7fe2faa68c1e599afc57267d0d2a4262b920646dd2575bebd8b3575be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04952",
    "kind": "arxiv",
    "version": 1
  }
}