Pith Number

pith:OUILDFUM

pith:2017:OUILDFUM2KGMFDMJF5P3JPW5AX

not attested not anchored not stored refs pending

Sparsity Order Estimation from a Single Compressed Observation Vector

Florian R\"omer, Giovanni DelGaldo, Sebastian Semper, Thomas Hotz

arxiv:1706.05278 v1 · 2017-06-16 · 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{OUILDFUM2KGMFDMJF5P3JPW5AX}

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	2026-05-18T00:09:31.156985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7510b1968cd28cc28d892f5fb4bedd05ef2eb8f89b4f97ec8d8883d195ff518a

Aliases

arxiv: 1706.05278 · arxiv_version: 1706.05278v1 · doi: 10.48550/arxiv.1706.05278 · pith_short_12: OUILDFUM2KGM · pith_short_16: OUILDFUM2KGMFDMJ · pith_short_8: OUILDFUM

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/OUILDFUM2KGMFDMJF5P3JPW5AX \
  | 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: 7510b1968cd28cc28d892f5fb4bedd05ef2eb8f89b4f97ec8d8883d195ff518a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be6fbc06dd134dea91a19b15b378d93b918e7d1e3161c6f991f214fe31d12e19",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-06-16T14:02:55Z",
    "title_canon_sha256": "97ca8c91ddb88b86d20a148a9e50e792e29c6b8fb452af9772d61585ea1dead7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05278",
    "kind": "arxiv",
    "version": 1
  }
}