Pith Number

pith:2J7VURIU

pith:2023:2J7VURIUBNZBR5SAAENBDIVLCR

not attested not anchored not stored refs pending

Multi-Task Hypergraphs for Semi-supervised Learning using Earth Observations

Alexandra Dobrescu, Alina Marcu, Marius Leordeanu, Mihai Pirvu, Nabil Belbachir

arxiv:2308.11021 v1 · 2023-08-21 · cs.CV · 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{2J7VURIUBNZBR5SAAENBDIVLCR}

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	2026-07-05T06:43:28.478896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d27f5a45140b7218f640011a11a2ab1447df71c0975e7e11502b193da17cee6b

Aliases

arxiv: 2308.11021 · arxiv_version: 2308.11021v1 · doi: 10.48550/arxiv.2308.11021 · pith_short_12: 2J7VURIUBNZB · pith_short_16: 2J7VURIUBNZBR5SA · pith_short_8: 2J7VURIU

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/2J7VURIUBNZBR5SAAENBDIVLCR \
  | 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: d27f5a45140b7218f640011a11a2ab1447df71c0975e7e11502b193da17cee6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a1677ae13d76f0f7890e969d550f4e3248b48c2351de7bd3d9b6377772cc6c3",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-08-21T20:22:51Z",
    "title_canon_sha256": "6d7eee5c7c603494cd297b562ade2896f39beb0466c7da5f6534d0f0f0ca7afa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.11021",
    "kind": "arxiv",
    "version": 1
  }
}