Pith Number

pith:UDMREQGP

pith:2013:UDMREQGPYWKYVGVPN6XS6TDR75

not attested not anchored not stored refs pending

A time continuation based fast approximate algorithm for compressed sensing related optimization

Farzin Barekat, Jerome Darbon, Stanley Osher

arxiv:1310.6475 v2 · 2013-10-24 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDMREQGPYWKYVGVPN6XS6TDR75}

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	2026-05-18T03:06:12.779053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0d91240cfc5958a9aaf6faf2f4c71ff4f2dbd5f05fa39b0ca405c2d5811fb82

Aliases

arxiv: 1310.6475 · arxiv_version: 1310.6475v2 · doi: 10.48550/arxiv.1310.6475 · pith_short_12: UDMREQGPYWKY · pith_short_16: UDMREQGPYWKYVGVP · pith_short_8: UDMREQGP

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/UDMREQGPYWKYVGVPN6XS6TDR75 \
  | 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: a0d91240cfc5958a9aaf6faf2f4c71ff4f2dbd5f05fa39b0ca405c2d5811fb82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d22b5a91394c6a415d18c9ac95597e80d00b71cc28fc291712249863336c92d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-10-24T03:57:48Z",
    "title_canon_sha256": "dc1c804c9e42f75318bd81c718032feb7edc60c4c674614d435f9c1e4d4ffdc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6475",
    "kind": "arxiv",
    "version": 2
  }
}