Pith Number

pith:GE2W2Q3H

pith:2020:GE2W2Q3HUNILYCQL3NQDMW5RQE

not attested not anchored not stored refs pending

Uncertainty based Class Activation Maps for Visual Question Answering

Badri N. Patro, Mayank Lunayach, Vinay P. Namboodiri

arxiv:2002.10309 v1 · 2020-01-23 · cs.CV · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GE2W2Q3HUNILYCQL3NQDMW5RQE}

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	2026-07-05T00:43:16.290193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31356d4367a350bc0a0bdb60365bb18131e9514260f827d888754facc2bed073

Aliases

arxiv: 2002.10309 · arxiv_version: 2002.10309v1 · doi: 10.48550/arxiv.2002.10309 · pith_short_12: GE2W2Q3HUNIL · pith_short_16: GE2W2Q3HUNILYCQL · pith_short_8: GE2W2Q3H

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/GE2W2Q3HUNILYCQL3NQDMW5RQE \
  | 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: 31356d4367a350bc0a0bdb60365bb18131e9514260f827d888754facc2bed073

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86eb301e4370417bb5bd6b070090e13a2fceb4b7669e08284e84b918b96b6211",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-01-23T19:54:19Z",
    "title_canon_sha256": "da336dca75093ca23b7e6afda7acc2c9f90adf70847b56fa035e499139f6c9c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.10309",
    "kind": "arxiv",
    "version": 1
  }
}