Pith Number

pith:HER3JLN7

pith:2015:HER3JLN7UHSCXQUN3AXW3HMKZE

not attested not anchored not stored refs pending

Change Patterns in Use: A Critical Evaluation

Barbara Weber, Jakob Pinggera, Manfred Reichert, Victoria Torres

arxiv:1511.04059 v1 · 2015-11-11 · 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{HER3JLN7UHSCXQUN3AXW3HMKZE}

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	2026-05-18T01:27:06.078572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3923b4adbfa1e42bc28dd82f6d9d8ac924a31f9477d8d60f4d24e5bd9d65773a

Aliases

arxiv: 1511.04059 · arxiv_version: 1511.04059v1 · doi: 10.48550/arxiv.1511.04059 · pith_short_12: HER3JLN7UHSC · pith_short_16: HER3JLN7UHSCXQUN · pith_short_8: HER3JLN7

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/HER3JLN7UHSCXQUN3AXW3HMKZE \
  | 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: 3923b4adbfa1e42bc28dd82f6d9d8ac924a31f9477d8d60f4d24e5bd9d65773a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84bde20acc2892d2755e8d020fd37839c5c26864f10bab0aa7b89dc051bf976d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-11-11T15:29:04Z",
    "title_canon_sha256": "6e6254e51e745d4a5dbdfa442865e883a53fc51d5f4a2d17841571b02faa12e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04059",
    "kind": "arxiv",
    "version": 1
  }
}