Pith Number

pith:SP2AMRIT

pith:2017:SP2AMRITQANYCVVCG4YHWPDBOF

not attested not anchored not stored refs pending

Recovery guarantees for compressed sensing with unknown errors

Ben Adcock, Richard K. Archibald, Simone Brugiapaglia

arxiv:1702.04424 v2 · 2017-02-14 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SP2AMRITQANYCVVCG4YHWPDBOF}

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	2026-05-18T00:44:51.580511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93f4064513801b8156a237307b3c617153ec64d38e71464c14116cbb23cff024

Aliases

arxiv: 1702.04424 · arxiv_version: 1702.04424v2 · doi: 10.48550/arxiv.1702.04424 · pith_short_12: SP2AMRITQANY · pith_short_16: SP2AMRITQANYCVVC · pith_short_8: SP2AMRIT

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/SP2AMRITQANYCVVCG4YHWPDBOF \
  | 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: 93f4064513801b8156a237307b3c617153ec64d38e71464c14116cbb23cff024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afaa07d700c1ba96bd084b4b05471871dcadeeed2f3c54c0f32f6f8db5da1d39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-02-14T23:53:41Z",
    "title_canon_sha256": "d50a17402a988f459d70ee268bd0be5c574a8b6d236949953aaa301e8af03b50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04424",
    "kind": "arxiv",
    "version": 2
  }
}