Pith Number

pith:EETSVRB7

pith:2018:EETSVRB74ZM6JB6YWKMYBKVMFV

not attested not anchored not stored refs pending

Backprop-Q: Generalized Backpropagation for Stochastic Computation Graphs

Hanning Zhou, Songpeng Zu, Wei Feng, Xiaoran Xu, Yuan Zhang

arxiv:1807.09511 v2 · 2018-07-25 · cs.LG · cs.AI · 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{EETSVRB74ZM6JB6YWKMYBKVMFV}

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	2026-05-17T23:56:47.590623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21272ac43fe659e487d8b29980aaac2d4970a4c551f33b50cfde422f64df0f60

Aliases

arxiv: 1807.09511 · arxiv_version: 1807.09511v2 · doi: 10.48550/arxiv.1807.09511 · pith_short_12: EETSVRB74ZM6 · pith_short_16: EETSVRB74ZM6JB6Y · pith_short_8: EETSVRB7

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/EETSVRB74ZM6JB6YWKMYBKVMFV \
  | 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: 21272ac43fe659e487d8b29980aaac2d4970a4c551f33b50cfde422f64df0f60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4866cca4c99fc332db2d79db6f222108aee5cd81f358e31e9fc82edc6146f285",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-07-25T10:06:24Z",
    "title_canon_sha256": "671fe8e892f5a6d1277e689265aef3231d43ec2b4913397c9ab7e138164f5731"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09511",
    "kind": "arxiv",
    "version": 2
  }
}