Pith Number

pith:OMMAAWDC

pith:2018:OMMAAWDC2MJBM2QHKAVMOYI3R4

not attested not anchored not stored refs pending

Improved Recovery of Analysis Sparse Vectors in Presence of Prior Information

Arash Amini, Farzan Haddadi, Sajad Daei

arxiv:1808.04107 v1 · 2018-08-13 · 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{OMMAAWDC2MJBM2QHKAVMOYI3R4}

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	2026-05-17T23:55:12.106120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7318005862d312166a07502ac7611b8f2bdb26fa4a9fca9fccde25c87f34b65e

Aliases

arxiv: 1808.04107 · arxiv_version: 1808.04107v1 · doi: 10.48550/arxiv.1808.04107 · pith_short_12: OMMAAWDC2MJB · pith_short_16: OMMAAWDC2MJBM2QH · pith_short_8: OMMAAWDC

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/OMMAAWDC2MJBM2QHKAVMOYI3R4 \
  | 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: 7318005862d312166a07502ac7611b8f2bdb26fa4a9fca9fccde25c87f34b65e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc172bcf7e46288541791c795c09c17c6dd7d29c4ef80bab460e16eb311da58f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-08-13T08:42:45Z",
    "title_canon_sha256": "60a710b3c3c489e14461b3564f2e062bc9ce84cede8432ebf6ab881c064e8798"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04107",
    "kind": "arxiv",
    "version": 1
  }
}