Pith Number

pith:C2VRPEBU

pith:2019:C2VRPEBUVPQWA4XIO4X65GB7CE

not attested not anchored not stored refs pending

Experimental Demonstration of Learned Time-Domain Digital Back-Propagation

Alessandro Ottino, Boris Karanov, Daniel Semrau, Domanic Lavery, Eric Sillekens, Jack Chen, Kevin Law, Lidia Galdino, Polina Bayvel, Robert I. Killey, Sujie Zhou, Wenting Yi

arxiv:1912.12197 v1 · 2019-12-23 · eess.SP · 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{C2VRPEBUVPQWA4XIO4X65GB7CE}

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	2026-07-05T00:28:41.409919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16ab179034abe16072e8772fee983f1135d4be51757fcf77531c36aa1a4f6a5f

Aliases

arxiv: 1912.12197 · arxiv_version: 1912.12197v1 · doi: 10.48550/arxiv.1912.12197 · pith_short_12: C2VRPEBUVPQW · pith_short_16: C2VRPEBUVPQWA4XI · pith_short_8: C2VRPEBU

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/C2VRPEBUVPQWA4XIO4X65GB7CE \
  | 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: 16ab179034abe16072e8772fee983f1135d4be51757fcf77531c36aa1a4f6a5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adfaad29d010014d20312c0be18150c64e3a37e1a1aea96c5078c45113d0e52a",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-12-23T14:08:33Z",
    "title_canon_sha256": "32d211bd58ba135bc6b007a7688d426a331148b9859c68f3f2e5cf5fe53ff17f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.12197",
    "kind": "arxiv",
    "version": 1
  }
}