Pith Number

pith:SVKTFN7A

pith:2014:SVKTFN7AX4EZAPVUM2YW7ERFTG

not attested not anchored not stored refs pending

Exponential decay of reconstruction error from binary measurements of sparse signals

Deanna Needell, Mary Wootters, Richard Baraniuk, Simon Foucart, Yaniv Plan

arxiv:1407.8246 v1 · 2014-07-31 · cs.IT · math.IT · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVKTFN7AX4EZAPVUM2YW7ERFTG}

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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	2026-05-18T02:46:05.562759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

955532b7e0bf09903eb466b16f92259989bbafa58b506bef874620c2c0f76ad5

Aliases

arxiv: 1407.8246 · arxiv_version: 1407.8246v1 · doi: 10.48550/arxiv.1407.8246 · pith_short_12: SVKTFN7AX4EZ · pith_short_16: SVKTFN7AX4EZAPVU · pith_short_8: SVKTFN7A

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/SVKTFN7AX4EZAPVUM2YW7ERFTG \
  | 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: 955532b7e0bf09903eb466b16f92259989bbafa58b506bef874620c2c0f76ad5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab3aa8c515c56cab3d87d58c7ce77f99da7e424aef3df7da2c21faccdae1cfd9",
    "cross_cats_sorted": [
      "math.IT",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-31T00:41:18Z",
    "title_canon_sha256": "61191a116fa7542a00a418f3a6d15aeb5dcbec45519a0fcb7b469dae90205067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8246",
    "kind": "arxiv",
    "version": 1
  }
}