Pith Number

pith:HP74W2DB

pith:2013:HP74W2DBPT225HTR7KQIYXJXD6

not attested not anchored not stored refs pending

SArF Map: Visualizing Software Architecture from Feature and Layer Viewpoints

Akihiko Matsuo, Keisuke Yano, Kenichi Kobayashi (Fujitsu Laboratories), Koki Kato, Manabu Kamimura

arxiv:1306.0958 v1 · 2013-06-05 · 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{HP74W2DBPT225HTR7KQIYXJXD6}

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	2026-05-18T03:21:44.787773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bffcb68617cf5ae9e71faa08c5d371f892276af01bb67dfa5fb081d42c290bc

Aliases

arxiv: 1306.0958 · arxiv_version: 1306.0958v1 · doi: 10.48550/arxiv.1306.0958 · pith_short_12: HP74W2DBPT22 · pith_short_16: HP74W2DBPT225HTR · pith_short_8: HP74W2DB

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/HP74W2DBPT225HTR7KQIYXJXD6 \
  | 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: 3bffcb68617cf5ae9e71faa08c5d371f892276af01bb67dfa5fb081d42c290bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "930665c49645fcad88c3756e52544b7cb108f90d467dd6efa8789dc059ded3b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2013-06-05T01:31:40Z",
    "title_canon_sha256": "252113498c076ad36296eee98229ada9e2cba6709a664c1727786072d682d901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0958",
    "kind": "arxiv",
    "version": 1
  }
}