Pith Number

pith:NZFV44W3

pith:2023:NZFV44W3T3ODYT66ONKLTIAY3B

not attested not anchored not stored refs pending

The Recursive Arrival Problem

Thomas Webster (University of Edinburgh)

arxiv:2310.01004 v1 · 2023-10-02 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZFV44W3T3ODYT66ONKLTIAY3B}

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.

Cited by

1 paper in Pith

ARRIVAL: Recursive Framework & $\ell_1$-Contraction

Receipt and verification

First computed	2026-07-05T06:56:13.182428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e4b5e72db9edc3c4fde7354b9a018d854ef9556eb099db4a78e52ce995f9765

Aliases

arxiv: 2310.01004 · arxiv_version: 2310.01004v1 · doi: 10.48550/arxiv.2310.01004 · pith_short_12: NZFV44W3T3OD · pith_short_16: NZFV44W3T3ODYT66 · pith_short_8: NZFV44W3

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/NZFV44W3T3ODYT66ONKLTIAY3B \
  | 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: 6e4b5e72db9edc3c4fde7354b9a018d854ef9556eb099db4a78e52ce995f9765

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e772dada000b91a305cbd2bab91fb2f572a76a39bb9efb7b849ae1795569050d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2023-10-02T09:01:14Z",
    "title_canon_sha256": "cfdb21401e56ac498610f4e0ad7e52ccbb417bc903b9f6826f380d13195f9efa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.01004",
    "kind": "arxiv",
    "version": 1
  }
}