Pith Number

pith:DQXJ57HO

pith:2018:DQXJ57HOVBPH6UMMREXMRVFWAC

not attested not anchored not stored refs pending

Object category learning and retrieval with weak supervision

Anelia Angelova, Irfan Essa, Rahul Sukthankar, Steven Hickson

arxiv:1801.08985 v2 · 2018-01-26 · 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{DQXJ57HOVBPH6UMMREXMRVFWAC}

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	2026-05-18T00:10:03.097620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c2e9efceea85e7f518c892ec8d4b6009e0303a07639003f43f1f47ee464e3ef

Aliases

arxiv: 1801.08985 · arxiv_version: 1801.08985v2 · doi: 10.48550/arxiv.1801.08985 · pith_short_12: DQXJ57HOVBPH · pith_short_16: DQXJ57HOVBPH6UMM · pith_short_8: DQXJ57HO

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/DQXJ57HOVBPH6UMMREXMRVFWAC \
  | 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: 1c2e9efceea85e7f518c892ec8d4b6009e0303a07639003f43f1f47ee464e3ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d026ed466f16e71e9b3bd0919d6345bccd440aeea3224d225439570bf023ee7b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-26T21:47:59Z",
    "title_canon_sha256": "518a0721233c4902345457412e3a21783bc728ee0cedd6bd6f73b7b05ecf13c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08985",
    "kind": "arxiv",
    "version": 2
  }
}