Pith Number

pith:DFXFJ53J

pith:2026:DFXFJ53JFDHMLZCPOBFEDIOFYY

not attested not anchored not stored refs pending

LambdaMark: Semantic Audio Watermarking for Robustness and Radioactivity

David Lie, Ilya Grishchenko, Kexin Li, Xiao Hu

arxiv:2606.21365 v1 · 2026-06-19 · cs.SD · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFXFJ53JFDHMLZCPOBFEDIOFYY}

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	2026-06-23T01:13:07.929614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

196e54f76928cec5e44f704a41a1c5c60954a937ab05c0835b5d7db692141cc6

Aliases

arxiv: 2606.21365 · arxiv_version: 2606.21365v1 · doi: 10.48550/arxiv.2606.21365 · pith_short_12: DFXFJ53JFDHM · pith_short_16: DFXFJ53JFDHMLZCP · pith_short_8: DFXFJ53J

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/DFXFJ53JFDHMLZCPOBFEDIOFYY \
  | 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: 196e54f76928cec5e44f704a41a1c5c60954a937ab05c0835b5d7db692141cc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d24d42b3a942389a85c6cdb3ce5d47e346adbdaf437147182b70c402fd53e484",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2026-06-19T12:14:17Z",
    "title_canon_sha256": "f57f445527cafa51f56ad04a40d0c6155d171e005849cfb820e8783e74244fa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21365",
    "kind": "arxiv",
    "version": 1
  }
}