Pith Number

pith:EPEU43UM

pith:2017:EPEU43UM2NFZKPNVAQSEK2WWMG

not attested not anchored not stored refs pending

Learning Deep Matrix Representations

Kien Do, Svetha Venkatesh, Truyen Tran

arxiv:1703.01454 v2 · 2017-03-04 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPEU43UM2NFZKPNVAQSEK2WWMG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:24:31.462717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23c94e6e8cd34b953db50424456ad6619c16dc7fb623fab026290555fdae9498

Aliases

arxiv: 1703.01454 · arxiv_version: 1703.01454v2 · doi: 10.48550/arxiv.1703.01454 · pith_short_12: EPEU43UM2NFZ · pith_short_16: EPEU43UM2NFZKPNV · pith_short_8: EPEU43UM

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/EPEU43UM2NFZKPNVAQSEK2WWMG \
  | 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: 23c94e6e8cd34b953db50424456ad6619c16dc7fb623fab026290555fdae9498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39b19b7561baa441f781492b38ab25cce772a86fe6ba5662b7cafcf377da6c48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-03-04T13:35:49Z",
    "title_canon_sha256": "78d1ce9022b426c69ff563ca1c8b56886b0043cf612dbf7c3f0bffe010886713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01454",
    "kind": "arxiv",
    "version": 2
  }
}