Pith Number

pith:A2TNTAH4

pith:2019:A2TNTAH4OY54ON4J5GZ5JSVYQJ

not attested not anchored not stored refs pending

A Comparative Study of Milestones for Featuring GUI Prototyping Tools

IRIT), Jean-Luc Hak (UPS), Marco Winckler (UFRGS, Olivier Nicolas (EA4215), Polytech'Lab, Thiago Rocha

arxiv:1906.01417 v1 · 2019-06-04 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2TNTAH4OY54ON4J5GZ5JSVYQJ}

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	2026-05-17T23:44:16.689064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06a6d980fc763bc73789e9b3d4cab8824f1a7a2b2a342d40897256f1094801bd

Aliases

arxiv: 1906.01417 · arxiv_version: 1906.01417v1 · doi: 10.48550/arxiv.1906.01417 · pith_short_12: A2TNTAH4OY54 · pith_short_16: A2TNTAH4OY54ON4J · pith_short_8: A2TNTAH4

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/A2TNTAH4OY54ON4J5GZ5JSVYQJ \
  | 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: 06a6d980fc763bc73789e9b3d4cab8824f1a7a2b2a342d40897256f1094801bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d10230fb7e5dabc9774c0d0f642e492bff3f4212b6125c3b8645248e1f29cbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-06-04T13:33:14Z",
    "title_canon_sha256": "9c226ff519d7cd3337a9d1958df5b9166a926ea7e89170a96eec4837e1c650cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01417",
    "kind": "arxiv",
    "version": 1
  }
}