Pith Number

pith:ASTOIFXR

pith:2017:ASTOIFXRM4QEDL725NEKW2KH4M

not attested not anchored not stored refs pending

Dynamic Watermarking for General LTI Systems

Anil Aswani, Matthew Porter, Pedro Hespanhol, Ram Vasudevan

arxiv:1703.07760 v2 · 2017-03-22 · math.OC · 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{ASTOIFXRM4QEDL725NEKW2KH4M}

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	2026-05-18T00:34:22.811576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04a6e416f1672041affaeb48ab6947e3297093c0b3c5c20d33debf86c29310a7

Aliases

arxiv: 1703.07760 · arxiv_version: 1703.07760v2 · doi: 10.48550/arxiv.1703.07760 · pith_short_12: ASTOIFXRM4QE · pith_short_16: ASTOIFXRM4QEDL72 · pith_short_8: ASTOIFXR

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/ASTOIFXRM4QEDL725NEKW2KH4M \
  | 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: 04a6e416f1672041affaeb48ab6947e3297093c0b3c5c20d33debf86c29310a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e73e0889a4ff7c144bc7782528cf1e46b650568ed34446020ffc3b4438d3866",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-03-22T17:29:09Z",
    "title_canon_sha256": "84dc6c1c1f0fac673b70a074d84f715fdde427da7d07167fe1ae1e7f80969581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07760",
    "kind": "arxiv",
    "version": 2
  }
}