Pith Number

pith:IBJFRR6A

pith:2022:IBJFRR6AEHIS7ZARN4JQQBL66B

not attested not anchored not stored refs pending

Revisiting Digital Twins: Origins, Fundamentals and Practices

Jiehan Zhou, Mu Gu, Shouhua Zhang

arxiv:2203.12867 v1 · 2022-03-24 · cs.CE · cs.SY · eess.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{IBJFRR6AEHIS7ZARN4JQQBL66B}

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	2026-07-05T04:08:08.635974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

405258c7c021d12fe4116f1308057ef0444785d995a5967aa0a116b6bae1e701

Aliases

arxiv: 2203.12867 · arxiv_version: 2203.12867v1 · doi: 10.48550/arxiv.2203.12867 · pith_short_12: IBJFRR6AEHIS · pith_short_16: IBJFRR6AEHIS7ZAR · pith_short_8: IBJFRR6A

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/IBJFRR6AEHIS7ZARN4JQQBL66B \
  | 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: 405258c7c021d12fe4116f1308057ef0444785d995a5967aa0a116b6bae1e701

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7750a7f106ecc4ccf9ca1979a7958f6d1dacea25d0abfc2914fa956a3337920",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2022-03-24T06:20:59Z",
    "title_canon_sha256": "f6ca5e6265ba10ecafa244864b12484627a327f1b2facba3b18bbbbfe31fa812"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.12867",
    "kind": "arxiv",
    "version": 1
  }
}