Pith Number

pith:FS2ISYQR

pith:2021:FS2ISYQR5IZGYW7IGYDDNHNUBJ

not attested not anchored not stored refs pending

Digitize-PID: Automatic Digitization of Piping and Instrumentation Diagrams

Arushi Jain, Lovekesh Vig, Monika Sharma, Shubham Paliwal

arxiv:2109.03794 v1 · 2021-09-08 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FS2ISYQR5IZGYW7IGYDDNHNUBJ}

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	2026-07-05T03:12:43.273522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cb4896211ea326c5be83606369db40a4ff9f283e634c0b087bb8fdae2f9ed96

Aliases

arxiv: 2109.03794 · arxiv_version: 2109.03794v1 · doi: 10.48550/arxiv.2109.03794 · pith_short_12: FS2ISYQR5IZG · pith_short_16: FS2ISYQR5IZGYW7I · pith_short_8: FS2ISYQR

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/FS2ISYQR5IZGYW7IGYDDNHNUBJ \
  | 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: 2cb4896211ea326c5be83606369db40a4ff9f283e634c0b087bb8fdae2f9ed96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59075c5f8fae846a968da6da74023cc278352bed956c5f22d1c30d488afaf683",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-08T17:32:49Z",
    "title_canon_sha256": "19c85796eac013369b4a52edb968b106097491096c34fb878476ad36debbd951"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03794",
    "kind": "arxiv",
    "version": 1
  }
}