Pith Number

pith:TW5MY6T3

pith:2018:TW5MY6T3RU44X3JKXYAE7KTEN6

not attested not anchored not stored refs pending

Improving Active Learning in Systematic Reviews

Gaurav Singh, James Thomas, John Shawe-Taylor

arxiv:1801.09496 v1 · 2018-01-29 · cs.IR · cs.AI · cs.DL · 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{TW5MY6T3RU44X3JKXYAE7KTEN6}

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	2026-05-18T00:24:57.257732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dbacc7a7b8d39cbed2abe004faa646fa35d05e3af788f921faa2e5ab4590080

Aliases

arxiv: 1801.09496 · arxiv_version: 1801.09496v1 · doi: 10.48550/arxiv.1801.09496 · pith_short_12: TW5MY6T3RU44 · pith_short_16: TW5MY6T3RU44X3JK · pith_short_8: TW5MY6T3

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/TW5MY6T3RU44X3JKXYAE7KTEN6 \
  | 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: 9dbacc7a7b8d39cbed2abe004faa646fa35d05e3af788f921faa2e5ab4590080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62820a1bf2bae78e1b4134dbd17c3dd1240d3132fc5b442c06a6f2ef6d138de8",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-01-29T13:26:48Z",
    "title_canon_sha256": "138d883f2dcb81b99680a2f1225a3a1c10872c4c547dc5f12028bb7a214fe28a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09496",
    "kind": "arxiv",
    "version": 1
  }
}