Pith Number

pith:PW5BEFBP

pith:2019:PW5BEFBP6GB563RGQMYWQ7AD2D

not attested not anchored not stored refs pending

Detecting Generalized Replay Attacks via Time-Varying Dynamic Watermarking

Anil Aswani, Matthew Johnson-Roberson, Matthew Porter, Pedro Hespanhol, Ram Vasudevan

arxiv:1909.08111 v1 · 2019-09-17 · math.OC · cs.SY · eess.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{PW5BEFBP6GB563RGQMYWQ7AD2D}

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	2026-07-05T00:05:27.402679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dba12142ff183df6e268331687c03d0dda5ba965ad2c950869d05c78495d25f

Aliases

arxiv: 1909.08111 · arxiv_version: 1909.08111v1 · doi: 10.48550/arxiv.1909.08111 · pith_short_12: PW5BEFBP6GB5 · pith_short_16: PW5BEFBP6GB563RG · pith_short_8: PW5BEFBP

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/PW5BEFBP6GB563RGQMYWQ7AD2D \
  | 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: 7dba12142ff183df6e268331687c03d0dda5ba965ad2c950869d05c78495d25f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd5a088a768f5f7899c3e2c86cf3ce80963b5d0c5fb7b89b08ff5be379a4c170",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-09-17T21:24:58Z",
    "title_canon_sha256": "8e6ae9c0d874ad05dd188575aad9b4929abebb4c5771ce3da01b9598551d4271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08111",
    "kind": "arxiv",
    "version": 1
  }
}