Pith Number

pith:RLLEBR3W

pith:2013:RLLEBR3WG57ULD6PFVEQTRBEYR

not attested not anchored not stored refs pending

On the Peculiarities of Design: An Engineering Perspective

Mouhamed Abdulla, Yousef R. Shayan

arxiv:1305.4148 v1 · 2013-05-17 · 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{RLLEBR3WG57ULD6PFVEQTRBEYR}

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	2026-05-18T03:25:26.147979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ad640c776377f458fcf2d4909c424c47eec915e1caf4f72bc19e430fd014a0e

Aliases

arxiv: 1305.4148 · arxiv_version: 1305.4148v1 · doi: 10.48550/arxiv.1305.4148 · pith_short_12: RLLEBR3WG57U · pith_short_16: RLLEBR3WG57ULD6P · pith_short_8: RLLEBR3W

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/RLLEBR3WG57ULD6PFVEQTRBEYR \
  | 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: 8ad640c776377f458fcf2d4909c424c47eec915e1caf4f72bc19e430fd014a0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "759fe1a76e6b6eda064159b9752ec1bc41be48064e48daa8a32d81456a696f58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2013-05-17T18:34:41Z",
    "title_canon_sha256": "3be67d1bf070f96e54319f303a0fe047b9c49dbe5d5d607a239801b5842ddb0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4148",
    "kind": "arxiv",
    "version": 1
  }
}