Pith Number

pith:LV7LNUPK

pith:2015:LV7LNUPK7GTOUEGHSKKA22UGRN

not attested not anchored not stored refs pending

Multiuser Detection by MAP Estimation with Sum-of-Absolute-Values Relaxation

Hampei Sasahara, Kazunori Hayashi, Masaaki Nagahara

arxiv:1510.07273 v1 · 2015-10-25 · 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{LV7LNUPK7GTOUEGHSKKA22UGRN}

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	2026-05-18T01:29:14.499632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d7eb6d1eaf9a6ea10c792940d6a868b4e24cf7a2d5e1646aa20ab86c3aec70c

Aliases

arxiv: 1510.07273 · arxiv_version: 1510.07273v1 · doi: 10.48550/arxiv.1510.07273 · pith_short_12: LV7LNUPK7GTO · pith_short_16: LV7LNUPK7GTOUEGH · pith_short_8: LV7LNUPK

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/LV7LNUPK7GTOUEGHSKKA22UGRN \
  | 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: 5d7eb6d1eaf9a6ea10c792940d6a868b4e24cf7a2d5e1646aa20ab86c3aec70c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3726d44c84598790ea09a540afc1141f915da98148f866799e69e5518f40ebf2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-10-25T17:29:13Z",
    "title_canon_sha256": "240482c3de7c61bf79b84bfabcf92c82fb67d37a2472abd24cde5b049d40c493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07273",
    "kind": "arxiv",
    "version": 1
  }
}