Pith Number

pith:DIHQAFZ4

pith:2019:DIHQAFZ4FM5SQRDBJADSTQM53F

not attested not anchored not stored refs pending

Design Dimensions for Software Certification: A Grounded Analysis

Christian K\"astner, Gabriel Ferreira, Joshua Sunshine, Sven Apel, William Scherlis

arxiv:1905.09760 v1 · 2019-05-23 · cs.SE

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

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	2026-05-17T23:45:16.121276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a0f00173c2b3b284461480729c19dd96cd7189132f1f576afbb9f80942f6cfb

Aliases

arxiv: 1905.09760 · arxiv_version: 1905.09760v1 · doi: 10.48550/arxiv.1905.09760 · pith_short_12: DIHQAFZ4FM5S · pith_short_16: DIHQAFZ4FM5SQRDB · pith_short_8: DIHQAFZ4

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/DIHQAFZ4FM5SQRDBJADSTQM53F \
  | 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: 1a0f00173c2b3b284461480729c19dd96cd7189132f1f576afbb9f80942f6cfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8c925439c7b44909c90256e85c2557e93a21ec53ccc34d8e21e1e5d4db385fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-05-23T16:30:54Z",
    "title_canon_sha256": "1cb32aceb99a2ca0286e583e9551ea7af62311670814001f27b2f5f81aed75af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09760",
    "kind": "arxiv",
    "version": 1
  }
}