Pith Number

pith:HM7PNV3W

pith:2014:HM7PNV3WL75L36VPHG3HE4GFFN

not attested not anchored not stored refs pending

Optimal Algorithms for $L_1$-subspace Signal Processing

Dimitris A. Pados, George N. Karystinos, Panos P. Markopoulos

arxiv:1405.6785 v1 · 2014-05-27 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HM7PNV3WL75L36VPHG3HE4GFFN}

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	2026-05-18T01:43:05.971440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b3ef6d7765ffabdfaaf39b67270c52b6d1dc4d99819e165111b888b83bb06cb

Aliases

arxiv: 1405.6785 · arxiv_version: 1405.6785v1 · doi: 10.48550/arxiv.1405.6785 · pith_short_12: HM7PNV3WL75L · pith_short_16: HM7PNV3WL75L36VP · pith_short_8: HM7PNV3W

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/HM7PNV3WL75L36VPHG3HE4GFFN \
  | 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: 3b3ef6d7765ffabdfaaf39b67270c52b6d1dc4d99819e165111b888b83bb06cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6fa3462eb33725f3bd4e3bd2678963b9b12d710630208011a4d191c069bd1ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-05-27T04:15:49Z",
    "title_canon_sha256": "6528fc2b1a0f4f1a57660336e4d92be6a2e350e77a33d4eac62499deab076017"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6785",
    "kind": "arxiv",
    "version": 1
  }
}