Pith Number

pith:NBHIUQD7

pith:2026:NBHIUQD7B5FDYDCT2EBDFJ5MGA

not attested not anchored not stored refs pending

Potential Functions as Types

Ethan Chu (1), Harrison Grodin (1), Jan Hoffmann (1), Robert Harper (1) ((1) Carnegie Mellon University), Runming Li (1)

arxiv:2607.08547 v1 · 2026-07-09 · cs.PL · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBHIUQD7B5FDYDCT2EBDFJ5MGA}

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	2026-07-10T01:19:53.304113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

684e8a407f0f4a3c0c53d10232a7ac3022a0ff27f687a43dba94de421d45252f

Aliases

arxiv: 2607.08547 · arxiv_version: 2607.08547v1 · doi: 10.48550/arxiv.2607.08547 · pith_short_12: NBHIUQD7B5FD · pith_short_16: NBHIUQD7B5FDYDCT · pith_short_8: NBHIUQD7

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/NBHIUQD7B5FDYDCT2EBDFJ5MGA \
  | 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: 684e8a407f0f4a3c0c53d10232a7ac3022a0ff27f687a43dba94de421d45252f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4128e2023573a0bd80e8762d6890afe2b89b4bdedc393ff56560e4b3c7c1ef4d",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2026-07-09T14:41:33Z",
    "title_canon_sha256": "bc773796e17800bf4266be9d50309eb6bba7b0c18b2d2cdeb790ab5354d179f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08547",
    "kind": "arxiv",
    "version": 1
  }
}