Pith Number

pith:GAXHF5ZC

pith:2017:GAXHF5ZCGIWHVJWOFSXEZM7FSF

not attested not anchored not stored refs pending

Backpropagation Training for Fisher Vectors within Neural Networks

Fabian Groh, Hendrik P.A. Lensch, Patrick Wieschollek

arxiv:1702.02549 v1 · 2017-02-08 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAXHF5ZCGIWHVJWOFSXEZM7FSF}

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	2026-05-18T00:51:05.748844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

302e72f722322c7aa6ce2cae4cb3e591623f3f7619973225e40cbb2d1557db13

Aliases

arxiv: 1702.02549 · arxiv_version: 1702.02549v1 · doi: 10.48550/arxiv.1702.02549 · pith_short_12: GAXHF5ZCGIWH · pith_short_16: GAXHF5ZCGIWHVJWO · pith_short_8: GAXHF5ZC

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/GAXHF5ZCGIWHVJWOFSXEZM7FSF \
  | 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: 302e72f722322c7aa6ce2cae4cb3e591623f3f7619973225e40cbb2d1557db13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9e3896397d6cd0780c99c2514f0995ab2716422c8fc42a68e940582ec693b9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-02-08T18:19:05Z",
    "title_canon_sha256": "11b7adaaf05bc9308bc21b2c372e3186d39f2fc0cce4a810b0c05ecd21b9d25c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02549",
    "kind": "arxiv",
    "version": 1
  }
}