Pith Number

pith:H7FIULOO

pith:2019:H7FIULOOQXZJRRN3QII6MNS3KV

not attested not anchored not stored refs pending

A fourth explanation to Brooks' Law - The aspect of group developmental psychology

Lucas Gren

arxiv:1904.02472 v1 · 2019-04-04 · 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{H7FIULOOQXZJRRN3QII6MNS3KV}

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	2026-05-17T23:49:23.553926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fca8a2dce85f298c5bb8211e6365b5552d666c0a23163edb14c438842856145

Aliases

arxiv: 1904.02472 · arxiv_version: 1904.02472v1 · doi: 10.48550/arxiv.1904.02472 · pith_short_12: H7FIULOOQXZJ · pith_short_16: H7FIULOOQXZJRRN3 · pith_short_8: H7FIULOO

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/H7FIULOOQXZJRRN3QII6MNS3KV \
  | 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: 3fca8a2dce85f298c5bb8211e6365b5552d666c0a23163edb14c438842856145

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "768437b93b17a999f0c848b8e01b9b0043c31fbf683f942871ab076212c1e478",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-04-04T10:54:13Z",
    "title_canon_sha256": "46cfdcc43ada024ab20000d0e4c4ef4b312b8aef1c7994baddae4992426defc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02472",
    "kind": "arxiv",
    "version": 1
  }
}