Pith Number

pith:LYC7RABX

pith:2018:LYC7RABXK34LGI6WGVDOODMRI4

not attested not anchored not stored refs pending

Embedding Covert Information in Broadcast Communications

Keerthi Suria Kumar Arumugam, Matthieu R. Bloch

arxiv:1808.09556 v1 · 2018-08-28 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYC7RABXK34LGI6WGVDOODMRI4}

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	2026-05-18T00:06:55.207813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e05f8803756f8b323d63546e70d91473646c8b4ae3bccbb5f358f31d5e1e489

Aliases

arxiv: 1808.09556 · arxiv_version: 1808.09556v1 · doi: 10.48550/arxiv.1808.09556 · pith_short_12: LYC7RABXK34L · pith_short_16: LYC7RABXK34LGI6W · pith_short_8: LYC7RABX

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/LYC7RABXK34LGI6WGVDOODMRI4 \
  | 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: 5e05f8803756f8b323d63546e70d91473646c8b4ae3bccbb5f358f31d5e1e489

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3396ef27f9eda9a6aec96cd0cff58b541f437fa278c4ee3905faf99a11fde3bc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-08-28T22:16:47Z",
    "title_canon_sha256": "dcebd5fac65b6524f4866c8fe32cddac4900bf0e0da8b795e5653a560b44c964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09556",
    "kind": "arxiv",
    "version": 1
  }
}