Pith Number

pith:IXUJ5FU2

pith:2026:IXUJ5FU24JXTEGKWQHZ2NEI2SS

not attested not anchored not stored refs pending

Bidirectional Elaborators \`a la Carte

Andrew Slattery, Jonathan Sterling

arxiv:2607.09564 v1 · 2026-07-10 · cs.PL · 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{IXUJ5FU24JXTEGKWQHZ2NEI2SS}

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	2026-07-13T01:20:20.509236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45e89e969ae26f32195681f3a6911a94889563c9a6ee63cc2ce426ad322fc799

Aliases

arxiv: 2607.09564 · arxiv_version: 2607.09564v1 · doi: 10.48550/arxiv.2607.09564 · pith_short_12: IXUJ5FU24JXT · pith_short_16: IXUJ5FU24JXTEGKW · pith_short_8: IXUJ5FU2

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/IXUJ5FU24JXTEGKWQHZ2NEI2SS \
  | 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: 45e89e969ae26f32195681f3a6911a94889563c9a6ee63cc2ce426ad322fc799

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "030a3a82995879186cfb6251e4c268ac84b0e2424d563116c2a37dc12d456043",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2026-07-10T16:10:31Z",
    "title_canon_sha256": "17be45de848fda56ee7b72a1788a9ec528202308617f01f8cbd0e8a235517311"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09564",
    "kind": "arxiv",
    "version": 1
  }
}