Pith Number

pith:IAVYD5OP

pith:2018:IAVYD5OP5JRT2H7L7QCDKJPREE

not attested not anchored not stored refs pending

Do Programmers Work at Night or During the Weekend?

Bram Adams, Ma\"elick Claes, Miikka Kuutila, Mika M\"antyl\"a

arxiv:1802.05084 v1 · 2018-02-14 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAVYD5OP5JRT2H7L7QCDKJPREE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:04:13.279916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

402b81f5cfea633d1febfc043525f1213925bc7f32b20778b32348d0d4e15895

Aliases

arxiv: 1802.05084 · arxiv_version: 1802.05084v1 · doi: 10.48550/arxiv.1802.05084 · pith_short_12: IAVYD5OP5JRT · pith_short_16: IAVYD5OP5JRT2H7L · pith_short_8: IAVYD5OP

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/IAVYD5OP5JRT2H7L7QCDKJPREE \
  | 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: 402b81f5cfea633d1febfc043525f1213925bc7f32b20778b32348d0d4e15895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dc3b59e784b0383497bc8361752fe7bf7917e08cd4baf925773ba1b430d72fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-02-14T13:15:33Z",
    "title_canon_sha256": "f265f8dbf2a41eb47ab7ce7727ed7549c1f6f7b5b0a5ca92769d58c2ab06e85a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05084",
    "kind": "arxiv",
    "version": 1
  }
}