Pith Number

pith:NUYDBGID

pith:2025:NUYDBGIDJE4NNJY6T2XRFLDDGS

not attested not anchored not stored refs pending

What makes a good feedforward computational graph?

Alex Vitvitskyi, Jo\~ao G. M. Ara\'ujo, Marc Lackenby, Petar Veli\v{c}kovi\'c

arxiv:2502.06751 v2 · 2025-02-10 · cs.LG · cs.AI · 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{NUYDBGIDJE4NNJY6T2XRFLDDGS}

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	2026-07-05T11:13:20.124558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d303099034938d6a71e9eaf12ac633481466c7ab36ac678561347f2c407dcb2

Aliases

arxiv: 2502.06751 · arxiv_version: 2502.06751v2 · doi: 10.48550/arxiv.2502.06751 · pith_short_12: NUYDBGIDJE4N · pith_short_16: NUYDBGIDJE4NNJY6 · pith_short_8: NUYDBGID

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/NUYDBGIDJE4NNJY6T2XRFLDDGS \
  | 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: 6d303099034938d6a71e9eaf12ac633481466c7ab36ac678561347f2c407dcb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4575b8ba87aa11feea0669cb2dca4737dd2e89f62a8813f5b037546eb4d729cc",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.SI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-10T18:26:40Z",
    "title_canon_sha256": "a45a9702033d8cd6896d66a9633a55525c5f5c6705656ecfda016aab0aef9978"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06751",
    "kind": "arxiv",
    "version": 2
  }
}