Pith Number

pith:4PXBK6FV

pith:2010:4PXBK6FV3TYJZCKUTSOUUVO5KQ

not attested not anchored not stored refs pending

Deterministic Compressed Sensing Matrices from Additive Character Sequences

Nam Yul Yu

arxiv:1010.0011 v1 · 2010-09-30 · 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{4PXBK6FV3TYJZCKUTSOUUVO5KQ}

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	2026-05-18T04:40:00.389381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3ee1578b5dcf09c89549c9d4a55dd540e8c869325ec0acfdb3df3e969913bbe

Aliases

arxiv: 1010.0011 · arxiv_version: 1010.0011v1 · doi: 10.48550/arxiv.1010.0011 · pith_short_12: 4PXBK6FV3TYJ · pith_short_16: 4PXBK6FV3TYJZCKU · pith_short_8: 4PXBK6FV

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/4PXBK6FV3TYJZCKUTSOUUVO5KQ \
  | 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: e3ee1578b5dcf09c89549c9d4a55dd540e8c869325ec0acfdb3df3e969913bbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cc277ebca1e048e127f9e7a59c573d94b15cc7ff034ae79a95b03c74732fc05",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-09-30T20:09:23Z",
    "title_canon_sha256": "9a83c325a5979a771e976b74898688cde92d48a8eb826bb23e69b6f11ac6f1f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0011",
    "kind": "arxiv",
    "version": 1
  }
}