Pith Number

pith:7LZX5X42

pith:2020:7LZX5X42TP33JJPWCZPSTNL7CC

not attested not anchored not stored refs pending

A Tertiary and Secondary Study Canvas

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

arxiv:2004.01315 v1 · 2020-04-03 · 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{7LZX5X42TP33JJPWCZPSTNL7CC}

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	2026-07-05T00:52:31.861211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faf37edf9a9bf7b4a5f6165f29b57f10ada6d6de3e7cf31a7d866020a8f6837b

Aliases

arxiv: 2004.01315 · arxiv_version: 2004.01315v1 · doi: 10.48550/arxiv.2004.01315 · pith_short_12: 7LZX5X42TP33 · pith_short_16: 7LZX5X42TP33JJPW · pith_short_8: 7LZX5X42

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/7LZX5X42TP33JJPWCZPSTNL7CC \
  | 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: faf37edf9a9bf7b4a5f6165f29b57f10ada6d6de3e7cf31a7d866020a8f6837b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c70bb8cf0ea93f2f9f01bde9a7b698fd0f9429486e1630170a3c8e40e2f9a3c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2020-04-03T00:37:59Z",
    "title_canon_sha256": "f4dad01f8da28c7c5651f6acc557e0111948fb9689b47fb064951a39cc53e47b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01315",
    "kind": "arxiv",
    "version": 1
  }
}