Pith Number

pith:DRISY7N7

pith:2021:DRISY7N7HDA5E2C4AAUQJYR4RX

not attested not anchored not stored refs pending

Learning Fast Sample Re-weighting Without Reward Data

Tomas Pfister, Zizhao Zhang

arxiv:2109.03216 v1 · 2021-09-07 · cs.LG · 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{DRISY7N7HDA5E2C4AAUQJYR4RX}

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	2026-07-05T03:12:24.873856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c512c7dbf38c1d2685c002904e23c8defe9f0c74b70467ef4a50217b8d16f69

Aliases

arxiv: 2109.03216 · arxiv_version: 2109.03216v1 · doi: 10.48550/arxiv.2109.03216 · pith_short_12: DRISY7N7HDA5 · pith_short_16: DRISY7N7HDA5E2C4 · pith_short_8: DRISY7N7

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/DRISY7N7HDA5E2C4AAUQJYR4RX \
  | 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: 1c512c7dbf38c1d2685c002904e23c8defe9f0c74b70467ef4a50217b8d16f69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c80b4061cf5b015ac4e6d6c1858cfa09ac0bb182e46fb6a9b7e4f00b47fe9f0c",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-07T17:30:56Z",
    "title_canon_sha256": "e9d423a0b4134600108dfc958a4010d75d12bf7b651661e25275dab6f6800b69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03216",
    "kind": "arxiv",
    "version": 1
  }
}