Pith Number

pith:T7ZE5VWM

pith:2014:T7ZE5VWMEWAOH2GW2SYISLYJTZ

not attested not anchored not stored refs pending

Learning parametric dictionaries for graph signals

David I Shuman, Dorina Thanou, Pascal Frossard

arxiv:1401.0887 v1 · 2014-01-05 · cs.LG · cs.SI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7ZE5VWMEWAOH2GW2SYISLYJTZ}

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	2026-05-18T01:45:33.931496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ff24ed6cc2580e3e8d6d4b0892f099e4fcc8ad7aea735dc37d5bd885d5058b4

Aliases

arxiv: 1401.0887 · arxiv_version: 1401.0887v1 · doi: 10.48550/arxiv.1401.0887 · pith_short_12: T7ZE5VWMEWAO · pith_short_16: T7ZE5VWMEWAOH2GW · pith_short_8: T7ZE5VWM

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/T7ZE5VWMEWAOH2GW2SYISLYJTZ \
  | 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: 9ff24ed6cc2580e3e8d6d4b0892f099e4fcc8ad7aea735dc37d5bd885d5058b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15edad3e196168262f57aed26468e8e8eb773f05d4d5cf51dbab857a02837ee6",
    "cross_cats_sorted": [
      "cs.SI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-01-05T12:17:51Z",
    "title_canon_sha256": "0486f787a96b0db35cd5280db2606ff8f616d81a74e196881ad4fc839374dc1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0887",
    "kind": "arxiv",
    "version": 1
  }
}