Pith Number

pith:HDDS7OS6

pith:2012:HDDS7OS6RFJIVFUHS2QJPSYLWS

not attested not anchored not stored refs pending

The Porosity of Additive Noise Sequences

Tsachy Weissman, Vinith Misra

arxiv:1205.6974 v1 · 2012-05-31 · 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{HDDS7OS6RFJIVFUHS2QJPSYLWS}

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	2026-05-18T03:54:36.471220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38c72fba5e89528a968796a097cb0bb48a67bdca665e7eaa42363fa9fca2c415

Aliases

arxiv: 1205.6974 · arxiv_version: 1205.6974v1 · doi: 10.48550/arxiv.1205.6974 · pith_short_12: HDDS7OS6RFJI · pith_short_16: HDDS7OS6RFJIVFUH · pith_short_8: HDDS7OS6

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/HDDS7OS6RFJIVFUHS2QJPSYLWS \
  | 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: 38c72fba5e89528a968796a097cb0bb48a67bdca665e7eaa42363fa9fca2c415

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d5a643e81930266b9a321385fb994e146927bfc00a0b15b9f440012c3a1126",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-31T12:35:43Z",
    "title_canon_sha256": "e1ed55580b1678479bdc5eb164c8925075ab5f1fae7e9ec8ccc7c296c6f00aa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6974",
    "kind": "arxiv",
    "version": 1
  }
}