Pith Number

pith:2PBFDOOX

pith:2025:2PBFDOOX4AE4J7GORX4SI76G6T

not attested not anchored not stored refs pending

Tinkering Against Scaling

Bolun Zhang, Di Wu, Lianghao Dai, Linzhuo Li, Tongyu Wu, Yang Shen, Yu Ji

arxiv:2504.16546 v1 · 2025-04-23 · cs.CY · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PBFDOOX4AE4J7GORX4SI76G6T}

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	2026-07-05T10:53:01.405060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3c251b9d7e009c4fcce8df9247fc6f4ff6922307d0eb954234f0c88ba5bc19a

Aliases

arxiv: 2504.16546 · arxiv_version: 2504.16546v1 · doi: 10.48550/arxiv.2504.16546 · pith_short_12: 2PBFDOOX4AE4 · pith_short_16: 2PBFDOOX4AE4J7GO · pith_short_8: 2PBFDOOX

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/2PBFDOOX4AE4J7GORX4SI76G6T \
  | 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: d3c251b9d7e009c4fcce8df9247fc6f4ff6922307d0eb954234f0c88ba5bc19a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f88e10295a2b79af15de016e600dc77c964743768f0a327069bf334326050a5",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-04-23T09:21:39Z",
    "title_canon_sha256": "b1cfa2459585546414ec7c6c6d45d34455ef7d560c74002eabd565a6fd8639dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16546",
    "kind": "arxiv",
    "version": 1
  }
}