Pith Number

pith:ONBVBX6C

pith:2018:ONBVBX6CO7R2IEMSKJTGPOYA5Q

not attested not anchored not stored refs pending

Distribution-aware Block-sparse Recovery via Convex Optimization

Arash Amini, Farzan Haddadi, Sajad Daei

arxiv:1809.03005 v2 · 2018-09-09 · 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{ONBVBX6CO7R2IEMSKJTGPOYA5Q}

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	2026-05-17T23:52:58.807135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

734350dfc277e3a41192526667bb00ec1ee8609b93716c85ef63f0194683923b

Aliases

arxiv: 1809.03005 · arxiv_version: 1809.03005v2 · doi: 10.48550/arxiv.1809.03005 · pith_short_12: ONBVBX6CO7R2 · pith_short_16: ONBVBX6CO7R2IEMS · pith_short_8: ONBVBX6C

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/ONBVBX6CO7R2IEMSKJTGPOYA5Q \
  | 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: 734350dfc277e3a41192526667bb00ec1ee8609b93716c85ef63f0194683923b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35cb9dc2e22dbbf9f89b933075839660e85447dd15c7c658c84a296648cec11c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-09T16:49:37Z",
    "title_canon_sha256": "03e397cf01138a97b9cfa5db8f7d72e115ce072e593a411010f614007ad0051f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03005",
    "kind": "arxiv",
    "version": 2
  }
}