Pith Number

pith:XBMY3C3Z

pith:2025:XBMY3C3ZR5YAQALENT6VYL4STF

not attested not anchored not stored refs pending

ARRIVAL: Recursive Framework & $\ell_1$-Contraction

Sebastian Haslebacher

arxiv:2502.06477 v2 · 2025-02-10 · 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{XBMY3C3ZR5YAQALENT6VYL4STF}

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	2026-07-05T11:31:26.549060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8598d8b798f700801646cfd5c2f929978479a2fa29130338ce06c7b7d5fd85a

Aliases

arxiv: 2502.06477 · arxiv_version: 2502.06477v2 · doi: 10.48550/arxiv.2502.06477 · pith_short_12: XBMY3C3ZR5YA · pith_short_16: XBMY3C3ZR5YAQALE · pith_short_8: XBMY3C3Z

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/XBMY3C3ZR5YAQALENT6VYL4STF \
  | 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: b8598d8b798f700801646cfd5c2f929978479a2fa29130338ce06c7b7d5fd85a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2134c392524fed974a99013490c07765486f2164e3e9a74f207912c8aa73e08d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-02-10T13:55:59Z",
    "title_canon_sha256": "dcce6d458c8bd67f1375f03cf470cd5b8c579a7d87702908b9cffca1ea61fa70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06477",
    "kind": "arxiv",
    "version": 2
  }
}