Pith Number

pith:MPPG3ZRP

pith:2017:MPPG3ZRPUGE6VFRQRMVZ676WSN

not attested not anchored not stored refs pending

Convex recovery of continuous domain piecewise constant images from non-uniform Fourier samples

Greg Ongie, Mathews Jacob, Sampurna Biswas

arxiv:1703.01405 v1 · 2017-03-04 · 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{MPPG3ZRPUGE6VFRQRMVZ676WSN}

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	2026-05-18T00:23:39.854227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63de6de62fa189ea96308b2b9f7fd693552dc9e3e8ba8f6400972db7d74e330a

Aliases

arxiv: 1703.01405 · arxiv_version: 1703.01405v1 · doi: 10.48550/arxiv.1703.01405 · pith_short_12: MPPG3ZRPUGE6 · pith_short_16: MPPG3ZRPUGE6VFRQ · pith_short_8: MPPG3ZRP

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/MPPG3ZRPUGE6VFRQRMVZ676WSN \
  | 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: 63de6de62fa189ea96308b2b9f7fd693552dc9e3e8ba8f6400972db7d74e330a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2577395aa039cc97c8a0fef8264fcaadd6ddf07a25941b085c696ed47998d57b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-04T06:55:04Z",
    "title_canon_sha256": "1fb240b56254e4809353f78998b044fab3e602d199044f8b40683d8389c6f503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01405",
    "kind": "arxiv",
    "version": 1
  }
}