Pith Number

pith:7WQIKW3W

pith:2021:7WQIKW3WFXBCYOFT2XIFS4NA2V

not attested not anchored not stored refs pending

Continuous Systematic Literature Review: An Approach for Open Science

Bianca Minetto Napole\~ao, Fabio Petrillo, Sylvain Hall\'e

arxiv:2108.12922 v1 · 2021-08-29 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WQIKW3WFXBCYOFT2XIFS4NA2V}

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	2026-07-05T03:09:48.015599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fda0855b762dc22c38b3d5d05971a0d56a2c264bc674c1a8fcd026eb6fea18f6

Aliases

arxiv: 2108.12922 · arxiv_version: 2108.12922v1 · doi: 10.48550/arxiv.2108.12922 · pith_short_12: 7WQIKW3WFXBC · pith_short_16: 7WQIKW3WFXBCYOFT · pith_short_8: 7WQIKW3W

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/7WQIKW3WFXBCYOFT2XIFS4NA2V \
  | 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: fda0855b762dc22c38b3d5d05971a0d56a2c264bc674c1a8fcd026eb6fea18f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72df41e4ed5774c1901d47d3ae9e0eb5ef7ecc6eaec5f943f23ae6c173537402",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-08-29T21:21:04Z",
    "title_canon_sha256": "8c455b4fd91a0833d0734b1ce5e91b3eb370f2597fae0a2c077e4980ad63670d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.12922",
    "kind": "arxiv",
    "version": 1
  }
}