Pith Number

pith:XHPQO7YL

pith:2013:XHPQO7YLVBRDC43JA7V6UJBKM5

not attested not anchored not stored refs pending

Demodulation of Sparse PPM Signals with Low Samples Using Trained RIP Matrix

Mahrokh G. Shayesteh, Mehdi Chehel Amirani, Seyed Hossein Hosseini

arxiv:1309.5854 v1 · 2013-09-01 · cs.OH · cs.IT · cs.LG · 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{XHPQO7YLVBRDC43JA7V6UJBKM5}

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	2026-05-18T03:12:33.907485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9df077f0ba86231736907ebea242a674af9a24b508dacd0037683aa008746c1

Aliases

arxiv: 1309.5854 · arxiv_version: 1309.5854v1 · doi: 10.48550/arxiv.1309.5854 · pith_short_12: XHPQO7YLVBRD · pith_short_16: XHPQO7YLVBRDC43J · pith_short_8: XHPQO7YL

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/XHPQO7YLVBRDC43JA7V6UJBKM5 \
  | 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: b9df077f0ba86231736907ebea242a674af9a24b508dacd0037683aa008746c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3aad8ee4769d536fbb49823726f068638450e800a5a32017df9af31330c7a0ea",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2013-09-01T22:14:52Z",
    "title_canon_sha256": "1ce0bc7b14b812276cebd8f294a2b8b2804ed30a4c49ae2242f4f43e1f610253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5854",
    "kind": "arxiv",
    "version": 1
  }
}