Pith Number

pith:XGLW4OC7

pith:2015:XGLW4OC7O7VI4KT35RVAHMVFXU

not attested not anchored not stored refs pending

Reliable SVD based Semi-blind and Invisible Watermarking Schemes

Chirag Jain, Prasanta K. Panigrahi, Siddharth Arora, Subhayan Roy Moulick

arxiv:1503.01934 v1 · 2015-03-06 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XGLW4OC7O7VI4KT35RVAHMVFXU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:25:27.253340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9976e385f77ea8e2a7bec6a03b2a5bd007392db4fa32b411eddc9527078aeda

Aliases

arxiv: 1503.01934 · arxiv_version: 1503.01934v1 · doi: 10.48550/arxiv.1503.01934 · pith_short_12: XGLW4OC7O7VI · pith_short_16: XGLW4OC7O7VI4KT3 · pith_short_8: XGLW4OC7

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/XGLW4OC7O7VI4KT35RVAHMVFXU \
  | 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: b9976e385f77ea8e2a7bec6a03b2a5bd007392db4fa32b411eddc9527078aeda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b67c09055c988045c1e19ead216a78c1a067d151e2f3a5e874cadc539ebf90ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2015-03-06T12:42:32Z",
    "title_canon_sha256": "3bb8a61a83975b69f1b8bdf33f5624bc7fcfdfcd307052830d5868dd81ef51d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01934",
    "kind": "arxiv",
    "version": 1
  }
}