Pith Number

pith:EE7I7XIQ

pith:2011:EE7I7XIQJVH5LHZP5UPYHICD2T

not attested not anchored not stored refs pending

Mask Iterative Hard Thresholding Algorithms for Sparse Image Reconstruction of Objects with Known Contour

Aleksandar Dogandzic, Kun Qiu, Renliang Gu

arxiv:1112.0463 v1 · 2011-12-02 · stat.ML · 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{EE7I7XIQJVH5LHZP5UPYHICD2T}

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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	2026-05-18T04:07:07.163703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

213e8fdd104d4fd59f2fed1f83a043d4f9d1c3c4348c10332c696f16e9f47130

Aliases

arxiv: 1112.0463 · arxiv_version: 1112.0463v1 · doi: 10.48550/arxiv.1112.0463 · pith_short_12: EE7I7XIQJVH5 · pith_short_16: EE7I7XIQJVH5LHZP · pith_short_8: EE7I7XIQ

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/EE7I7XIQJVH5LHZP5UPYHICD2T \
  | 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: 213e8fdd104d4fd59f2fed1f83a043d4f9d1c3c4348c10332c696f16e9f47130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7ca4b9091f8ed19b82c96eb59584737e991102d73cf2dba84ebdcb8b6cb5e46",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2011-12-02T13:59:36Z",
    "title_canon_sha256": "7597a1fabfbd9049c88093073d17b1a58df37ac114552b539365d4a453f46f3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0463",
    "kind": "arxiv",
    "version": 1
  }
}