Pith Number

pith:RFQHX63J

pith:2018:RFQHX63JO7GFS4G6MHZVZPPINK

not attested not anchored not stored refs pending

Analysis vs Synthesis - An Investigation of (Co)sparse Signal Models on Graphs

Madeleine S. Kotzagiannidis, Mike E. Davies

arxiv:1811.04460 v1 · 2018-11-11 · eess.SP · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RFQHX63JO7GFS4G6MHZVZPPINK}

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	2026-05-18T00:00:39.025037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89607bfb6977cc5970de61f35cbde86aa736c65499723e3a6498ac48edc7f910

Aliases

arxiv: 1811.04460 · arxiv_version: 1811.04460v1 · doi: 10.48550/arxiv.1811.04460 · pith_short_12: RFQHX63JO7GF · pith_short_16: RFQHX63JO7GFS4G6 · pith_short_8: RFQHX63J

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/RFQHX63JO7GFS4G6MHZVZPPINK \
  | 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: 89607bfb6977cc5970de61f35cbde86aa736c65499723e3a6498ac48edc7f910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "106f526c6ceebb9fcb79f193ff0eb5cc833185a5bccf45284208b3e1acf901ab",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-11-11T19:22:45Z",
    "title_canon_sha256": "21d01fdb402235a49c37b93e8b318bbbc78c46305a3c4e2d43bd92782db2d7ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04460",
    "kind": "arxiv",
    "version": 1
  }
}