Pith Number

pith:G7DNW54N

pith:2016:G7DNW54NPLUUB37JTMKR2ATYQT

not attested not anchored not stored refs pending

Structured low-rank recovery of piecewise constant signals with performance guarantees

Greg Ongie, Mathews Jacob, Sampurna Biswas

arxiv:1604.04888 v1 · 2016-04-17 · 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{G7DNW54NPLUUB37JTMKR2ATYQT}

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	2026-05-18T01:16:56.467698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37c6db778d7ae940efe99b151d027884e3f17155dbbc5a74af87c156e82484a7

Aliases

arxiv: 1604.04888 · arxiv_version: 1604.04888v1 · doi: 10.48550/arxiv.1604.04888 · pith_short_12: G7DNW54NPLUU · pith_short_16: G7DNW54NPLUUB37J · pith_short_8: G7DNW54N

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/G7DNW54NPLUUB37JTMKR2ATYQT \
  | 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: 37c6db778d7ae940efe99b151d027884e3f17155dbbc5a74af87c156e82484a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2476ce9bebdfdf1d209e3a7312df32c58f2d2ef420c0b6b4959189eaad528557",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-04-17T15:59:24Z",
    "title_canon_sha256": "c108453430ed35516274d4b59bee49bbd337ccd34b9a4b602ce512fb870ecb83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04888",
    "kind": "arxiv",
    "version": 1
  }
}