Pith Number

pith:HPZUV72H

pith:2019:HPZUV72HI27VGD2KBLMVPSTSU2

not attested not anchored not stored refs pending

Multi-task learning with compressible features for Collaborative Intelligence

Ivan V. Baji\'c, Saeed Ranjbar Alvar

arxiv:1902.05179 v2 · 2019-02-14 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPZUV72HI27VGD2KBLMVPSTSU2}

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	2026-05-17T23:46:03.480503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf34aff4746bf530f4a0ad957ca72a69ab04253590d2ab485879fe8448b68c8

Aliases

arxiv: 1902.05179 · arxiv_version: 1902.05179v2 · doi: 10.48550/arxiv.1902.05179 · pith_short_12: HPZUV72HI27V · pith_short_16: HPZUV72HI27VGD2K · pith_short_8: HPZUV72H

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/HPZUV72HI27VGD2KBLMVPSTSU2 \
  | 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: 3bf34aff4746bf530f4a0ad957ca72a69ab04253590d2ab485879fe8448b68c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "738336f7ccaa49fdacdd3c6ebb7a55c497a31e6bc8d8bf43bbda5ae881c17496",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2019-02-14T01:28:17Z",
    "title_canon_sha256": "38b5c80cd965d86e8fc1811b610a5e8cd4f30443d4add12ac34b6d045e6d29ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05179",
    "kind": "arxiv",
    "version": 2
  }
}