Pith Number

pith:GUGVCBYL

pith:2022:GUGVCBYLCF7QPVL4UGHXP3OODH

not attested not anchored not stored refs pending

CDBB West Cambridge Digital Twin: Lessons Learned

Ian Lewis, Justas Brazauskas, Matt Danish, Richard Mortier, Rohit Verma, Vadim Safronov

arxiv:2209.15290 v1 · 2022-09-30 · eess.SY · cs.NI · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GUGVCBYLCF7QPVL4UGHXP3OODH}

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	2026-07-05T05:02:18.500305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

350d51070b117f07d57ca18f77edce19cdae98f8e563092583dbecad05fab21e

Aliases

arxiv: 2209.15290 · arxiv_version: 2209.15290v1 · doi: 10.48550/arxiv.2209.15290 · pith_short_12: GUGVCBYLCF7Q · pith_short_16: GUGVCBYLCF7QPVL4 · pith_short_8: GUGVCBYL

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/GUGVCBYLCF7QPVL4UGHXP3OODH \
  | 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: 350d51070b117f07d57ca18f77edce19cdae98f8e563092583dbecad05fab21e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27f3b03cfefcbd80b89e34fae8727016cb4335059652b36f25806ca720fbb2ba",
    "cross_cats_sorted": [
      "cs.NI",
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2022-09-30T07:59:59Z",
    "title_canon_sha256": "ee8d54ff8b60159e11535350387e057f030b942610c81002ea8d31cce683cb8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.15290",
    "kind": "arxiv",
    "version": 1
  }
}