Pith Number

pith:NXD5DSBR

pith:2021:NXD5DSBRSWSLUNAN5KE7FXWDOG

not attested not anchored not stored refs pending

Fixed-Points for Quantitative Equational Logics

Gordon Plotkin, Prakash Panangaden, Radu Mardare

arxiv:2106.15932 v1 · 2021-06-30 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXD5DSBRSWSLUNAN5KE7FXWDOG}

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	2026-07-05T02:54:01.655684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dc7d1c83195a4ba340dea89f2dec371be6e0be65c83d2f7b11416ee1ee20675

Aliases

arxiv: 2106.15932 · arxiv_version: 2106.15932v1 · doi: 10.48550/arxiv.2106.15932 · pith_short_12: NXD5DSBRSWSL · pith_short_16: NXD5DSBRSWSLUNAN · pith_short_8: NXD5DSBR

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/NXD5DSBRSWSLUNAN5KE7FXWDOG \
  | 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: 6dc7d1c83195a4ba340dea89f2dec371be6e0be65c83d2f7b11416ee1ee20675

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67ad2427fcd8b962a243c12f259c168f32c2eff4e06e66e1fd81d3fb8fa08753",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2021-06-30T09:32:43Z",
    "title_canon_sha256": "8f7622142b7c239aee5a5811d4a6e9178cfb9c40a7edc1158877bb2166a32474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.15932",
    "kind": "arxiv",
    "version": 1
  }
}