Pith Number

pith:K5YNYM5X

pith:2006:K5YNYM5XBYHD7CXSWM4VFPGYWU

not attested not anchored not stored refs pending

Digital watermarking in the singular vector domain

M. S. Santhanam, Rashmi Agarwal

arxiv:cs/0603130 v1 · 2006-03-31 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K5YNYM5XBYHD7CXSWM4VFPGYWU}

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	2026-05-18T04:33:37.692983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5770dc33b70e0e3f8af2b33952bcd8b517757025533d424eef3fb767437442f2

Aliases

arxiv: cs/0603130 · arxiv_version: cs/0603130v1 · doi: 10.48550/arxiv.cs/0603130 · pith_short_12: K5YNYM5XBYHD · pith_short_16: K5YNYM5XBYHD7CXS · pith_short_8: K5YNYM5X

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/K5YNYM5XBYHD7CXSWM4VFPGYWU \
  | 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: 5770dc33b70e0e3f8af2b33952bcd8b517757025533d424eef3fb767437442f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b57b574adea7b482573a389e2b5985b5863cdf6284d3b7b7d768b39d2b4685f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.MM",
    "submitted_at": "2006-03-31T19:36:03Z",
    "title_canon_sha256": "b219ff75fd75e898beead2ec128eb00c135796accff0a7c485bbb55d317b79f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0603130",
    "kind": "arxiv",
    "version": 1
  }
}