Pith Number

pith:6UPD3BEC

pith:2022:6UPD3BECW4SWRSY2LOB5WFHU52

not attested not anchored not stored refs pending

Coeffects for Sharing and Mutation

Elena Zucca, Francesco Dagnino, Marco Servetto, Paola Giannini, Riccardo Bianchini

arxiv:2209.07439 v1 · 2022-09-15 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6UPD3BECW4SWRSY2LOB5WFHU52}

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	2026-07-05T04:57:58.686397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f51e3d8482b72568cb1a5b83db14f4eea1480acf2e75e926de57174b0d80bce9

Aliases

arxiv: 2209.07439 · arxiv_version: 2209.07439v1 · doi: 10.48550/arxiv.2209.07439 · pith_short_12: 6UPD3BECW4SW · pith_short_16: 6UPD3BECW4SWRSY2 · pith_short_8: 6UPD3BEC

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/6UPD3BECW4SWRSY2LOB5WFHU52 \
  | 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: f51e3d8482b72568cb1a5b83db14f4eea1480acf2e75e926de57174b0d80bce9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a96ffe2fad3c9b263d87e5c2703aebd1ab7092c52aac673466637ff5c723d9e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2022-09-15T16:35:01Z",
    "title_canon_sha256": "565497dabe1d2adce14637423cbb1afe8415f6ef17d1a7cdbf893f6dcca457ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.07439",
    "kind": "arxiv",
    "version": 1
  }
}