Pith Number

pith:MDJ43PWY

pith:2014:MDJ43PWYRJPG37E55UTTEVWLER

not attested not anchored not stored refs pending

Quick Safari Through Software Design

Reza Rahimi

arxiv:1403.4152 v1 · 2014-03-17 · 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{MDJ43PWYRJPG37E55UTTEVWLER}

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	2026-05-18T02:56:12.114712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60d3cdbed88a5e6dfc9ded273256cb245d7692af6a7d473bd5288747d2e78d07

Aliases

arxiv: 1403.4152 · arxiv_version: 1403.4152v1 · doi: 10.48550/arxiv.1403.4152 · pith_short_12: MDJ43PWYRJPG · pith_short_16: MDJ43PWYRJPG37E5 · pith_short_8: MDJ43PWY

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/MDJ43PWYRJPG37E55UTTEVWLER \
  | 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: 60d3cdbed88a5e6dfc9ded273256cb245d7692af6a7d473bd5288747d2e78d07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "decf08923e8f69f02c740413c29133f0a8c0910de8f6a56b85593a514d321c9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-03-17T16:33:36Z",
    "title_canon_sha256": "9fceac13fb166a344c7c6c56ccf282a5f5defea5a8b935fd70c8b2ee24afef2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4152",
    "kind": "arxiv",
    "version": 1
  }
}