Pith Number

pith:QVUL2ESF

pith:2019:QVUL2ESFYHUNXY63XRZCP5X4UZ

not attested not anchored not stored refs pending

Supporting Software Engineering Research and Education by Annotating Public Videos of Developers Programming

Abdulaziz Alaboudi, Thomas D. LaToza

arxiv:1905.11366 v1 · 2019-05-09 · 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{QVUL2ESFYHUNXY63XRZCP5X4UZ}

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	2026-05-17T23:45:00.643282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8568bd1245c1e8dbe3dbbc7227f6fca67e989f04f69d7a900f1aa26f9f1bd203

Aliases

arxiv: 1905.11366 · arxiv_version: 1905.11366v1 · doi: 10.48550/arxiv.1905.11366 · pith_short_12: QVUL2ESFYHUN · pith_short_16: QVUL2ESFYHUNXY63 · pith_short_8: QVUL2ESF

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/QVUL2ESFYHUNXY63XRZCP5X4UZ \
  | 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: 8568bd1245c1e8dbe3dbbc7227f6fca67e989f04f69d7a900f1aa26f9f1bd203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "347bef86625771f3e2d75f73b38913ef31ceb2922def7eb88042e261d19d2cd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-05-09T04:42:39Z",
    "title_canon_sha256": "1d0c36dbe000bec16978a1e043d8e2bd9d51dbfec20eac458d0ca97d681886f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11366",
    "kind": "arxiv",
    "version": 1
  }
}