Pith Number

pith:ZMH4DTRP

pith:2011:ZMH4DTRPFFXF2WYBLKGGUSEGQ5

not attested not anchored not stored refs pending

Recovering a Clipped Signal in Sparseland

Alejandro J. Weinstein, Michael B. Wakin

arxiv:1110.5063 v1 · 2011-10-23 · 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{ZMH4DTRPFFXF2WYBLKGGUSEGQ5}

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	2026-05-18T04:10:24.790784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb0fc1ce2f296e5d5b015a8c6a4886877d9c0b4273ff1e50fcd739816f5b85b9

Aliases

arxiv: 1110.5063 · arxiv_version: 1110.5063v1 · doi: 10.48550/arxiv.1110.5063 · pith_short_12: ZMH4DTRPFFXF · pith_short_16: ZMH4DTRPFFXF2WYB · pith_short_8: ZMH4DTRP

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/ZMH4DTRPFFXF2WYBLKGGUSEGQ5 \
  | 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: cb0fc1ce2f296e5d5b015a8c6a4886877d9c0b4273ff1e50fcd739816f5b85b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ce5cb7bced4e0b8b40e31a39eb84183a096ae60e185e3ab922fae8b9cb364a8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-10-23T16:29:33Z",
    "title_canon_sha256": "5970a81df0a1a54f63021311973ccbb53b6279dc9b1711c91b30d5bcba91e0cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5063",
    "kind": "arxiv",
    "version": 1
  }
}