Pith Number

pith:G2GK554V

pith:2015:G2GK554VXVIRDQ4QCZBX7KAJ5H

not attested not anchored not stored refs pending

Scampi: a robust approximate message-passing framework for compressive imaging

Eric W. Tramel, Florent Krzakala, Jean Barbier

arxiv:1511.05860 v2 · 2015-11-18 · 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{G2GK554VXVIRDQ4QCZBX7KAJ5H}

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	2026-05-18T01:07:20.987166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

368caef795bd5111c39016437fa809e9cca028ba55b2552877444a9ae58ddbfe

Aliases

arxiv: 1511.05860 · arxiv_version: 1511.05860v2 · doi: 10.48550/arxiv.1511.05860 · pith_short_12: G2GK554VXVIR · pith_short_16: G2GK554VXVIRDQ4Q · pith_short_8: G2GK554V

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/G2GK554VXVIRDQ4QCZBX7KAJ5H \
  | 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: 368caef795bd5111c39016437fa809e9cca028ba55b2552877444a9ae58ddbfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45b7d5c45acd4c9fcc2338ec1d35d4fd05e14b7af6b99e98b66c98c8a575d56b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-11-18T16:19:49Z",
    "title_canon_sha256": "578cce20ea2441cda03f9f78a7f5f7b482477982cb471a67f840fc8fae16a5f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05860",
    "kind": "arxiv",
    "version": 2
  }
}