Pith Number

pith:UKSPAMPY

pith:2026:UKSPAMPYIRZ5DLOURW4BD4JXE5

not attested not anchored not stored refs pending

A Projection-Based Surrogate Gradient Interpretation for Neural Codec Wrappers

Aline Roumy (COMPACT), Esteban Pesnel, Julien Le Tanou, Michael Ropert, Thomas Maugey (COMPACT)

arxiv:2606.20671 v1 · 2026-06-12 · cs.CV · cs.AI · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKSPAMPYIRZ5DLOURW4BD4JXE5}

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	2026-06-23T00:11:53.240584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2a4f031f84473d1add48db811f13727496df1d494eda3c6bcdb2292b9012d1c

Aliases

arxiv: 2606.20671 · arxiv_version: 2606.20671v1 · doi: 10.48550/arxiv.2606.20671 · pith_short_12: UKSPAMPYIRZ5 · pith_short_16: UKSPAMPYIRZ5DLOU · pith_short_8: UKSPAMPY

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/UKSPAMPYIRZ5DLOURW4BD4JXE5 \
  | 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: a2a4f031f84473d1add48db811f13727496df1d494eda3c6bcdb2292b9012d1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27f0b5be141b7e0817c51bb59352436de58ecf3b0f9363532fe7d4dcdacb0ba3",
    "cross_cats_sorted": [
      "cs.AI",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-12T11:29:17Z",
    "title_canon_sha256": "54af2908b949f33ec0d93901fdcf0c3e1a1e98954f614373ba7ab5084d72f6f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20671",
    "kind": "arxiv",
    "version": 1
  }
}