Pith Number

pith:DSQND7UZ

pith:2023:DSQND7UZQIT6EFBAMBE74DBBKO

not attested not anchored not stored refs pending

The Backpropagation algorithm for a math student

Golnaz Moharrer, Mostafa Cham, Saeed Damadi

arxiv:2301.09977 v3 · 2023-01-22 · cs.LG · cs.NA · cs.NE · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DSQND7UZQIT6EFBAMBE74DBBKO}

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.

Cited by

1 paper in Pith

Adjoint sharding for very long context training of state space models

Receipt and verification

First computed	2026-07-05T06:16:15.159337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ca0d1fe998227e214206049fe0c2153a592c2a836afdbdf5efc1bf29ff12d2d

Aliases

arxiv: 2301.09977 · arxiv_version: 2301.09977v3 · doi: 10.48550/arxiv.2301.09977 · pith_short_12: DSQND7UZQIT6 · pith_short_16: DSQND7UZQIT6EFBA · pith_short_8: DSQND7UZ

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/DSQND7UZQIT6EFBAMBE74DBBKO \
  | 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: 1ca0d1fe998227e214206049fe0c2153a592c2a836afdbdf5efc1bf29ff12d2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81913d6f1320ee9e796f476dbd6ab8ee3fe5a9190e6088752bf92920fbba21db",
    "cross_cats_sorted": [
      "cs.NA",
      "cs.NE",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-01-22T08:45:30Z",
    "title_canon_sha256": "9c4f755234387c4ddfea3352ac4a5fc43c4887685c82538a220c33c2c8cf660e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.09977",
    "kind": "arxiv",
    "version": 3
  }
}