Pith Number

pith:IZQBIQAA

pith:2026:IZQBIQAAWWVMFX45OAE5NJUEXK

not attested not anchored not stored refs pending

Practical Algebraic Stepping with Scoped Filters

Cyrus Omar, Haoxiang Fei, Matthew Keenan

arxiv:2605.31517 v1 · 2026-05-29 · 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{IZQBIQAAWWVMFX45OAE5NJUEXK}

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	2026-06-01T02:04:10.405521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4660144000b5aac2df9d7009d6a684ba855b316ae08644c1d4574ca41b121891

Aliases

arxiv: 2605.31517 · arxiv_version: 2605.31517v1 · doi: 10.48550/arxiv.2605.31517 · pith_short_12: IZQBIQAAWWVM · pith_short_16: IZQBIQAAWWVMFX45 · pith_short_8: IZQBIQAA

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/IZQBIQAAWWVMFX45OAE5NJUEXK \
  | 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: 4660144000b5aac2df9d7009d6a684ba855b316ae08644c1d4574ca41b121891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c75ad4735bc41b87d7b6ea032c6154d487194b4e3d1edb5b16d2b72b0681a2ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2026-05-29T16:34:37Z",
    "title_canon_sha256": "784a8538fb0ff8b9a80b7da16dbc33d262bd95d46f82b3d620fd99882111992e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.31517",
    "kind": "arxiv",
    "version": 1
  }
}