Pith Number

pith:RC4DZDT7

pith:2020:RC4DZDT73MKQ3YDIWVTZ75NP7E

not attested not anchored not stored refs pending

Towards Digital Engineering -- The Advent of Digital Systems Engineering

Adrian Gheorghe, Andres Sousa-Poza, Andy Collins, Ariel Pinto, Charles Daniels, Charles Keating, Ghaith Rabadi, Holly Handley, Jingwei Huang, Pilar Pazos, Rafael Landaeta, Resit Unal, Samuel Kovacic, Teddy Cotter

arxiv:2002.11672 v3 · 2020-02-21 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RC4DZDT73MKQ3YDIWVTZ75NP7E}

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	2026-07-05T01:31:25.449482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88b83c8e7fdb150de068b5679ff5aff93765cc8dbc65f16d29c06c69879ffc46

Aliases

arxiv: 2002.11672 · arxiv_version: 2002.11672v3 · doi: 10.48550/arxiv.2002.11672 · pith_short_12: RC4DZDT73MKQ · pith_short_16: RC4DZDT73MKQ3YDI · pith_short_8: RC4DZDT7

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/RC4DZDT73MKQ3YDIWVTZ75NP7E \
  | 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: 88b83c8e7fdb150de068b5679ff5aff93765cc8dbc65f16d29c06c69879ffc46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4543b5aeea8449c109f340ad64543a5c6c9c948b05223fccf93a1b6111a839ee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-02-21T04:58:20Z",
    "title_canon_sha256": "608987402bf82b7b43c186097cc41e6f67a75d8c76b17d93c95049d232e670cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.11672",
    "kind": "arxiv",
    "version": 3
  }
}