Pith Number

pith:S6AUDSCC

pith:2017:S6AUDSCCAZTQSZALFQLZAL7XGT

not attested not anchored not stored refs pending

Sparse polynomial interpolation: sparse recovery, super resolution, or Prony?

Bernard Mourrain (AROMATH), C\'edric Josz (LAAS-MAC), Jean-Bernard Lasserre (LAAS-MAC)

arxiv:1708.06187 v2 · 2017-08-21 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S6AUDSCCAZTQSZALFQLZAL7XGT}

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	2026-05-18T00:00:09.126911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

978141c842066709640b2c17902ff734e9712c4cca2aefdb7c38b8ba310b01eb

Aliases

arxiv: 1708.06187 · arxiv_version: 1708.06187v2 · doi: 10.48550/arxiv.1708.06187 · pith_short_12: S6AUDSCCAZTQ · pith_short_16: S6AUDSCCAZTQSZAL · pith_short_8: S6AUDSCC

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/S6AUDSCCAZTQSZALFQLZAL7XGT \
  | 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: 978141c842066709640b2c17902ff734e9712c4cca2aefdb7c38b8ba310b01eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e5439c13f5ede6c54cc143408b252b84b25e33f3c7ca4487eba7b184a94400c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-08-21T12:38:32Z",
    "title_canon_sha256": "663aa1bd59472959f513d023942bee793c000ea162bd217c8775c1146f5c1c3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06187",
    "kind": "arxiv",
    "version": 2
  }
}