Pith Number

pith:574J6SX6

pith:2026:574J6SX6OET3BTMELDGCKTAYK6

not attested not anchored not stored refs pending

Negative Knowledge as Failure-aware Shared Memory for AutoResearch

Hanchun Wang

arxiv:2606.21024 v1 · 2026-06-19 · cs.AI · cs.CY · cs.LG · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{574J6SX6OET3BTMELDGCKTAYK6}

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	2026-06-23T01:12:27.192624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eff89f4afe7127b0cd8458cc254c185796ca2df4e700abfaa88cec39daf7f50d

Aliases

arxiv: 2606.21024 · arxiv_version: 2606.21024v1 · doi: 10.48550/arxiv.2606.21024 · pith_short_12: 574J6SX6OET3 · pith_short_16: 574J6SX6OET3BTME · pith_short_8: 574J6SX6

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/574J6SX6OET3BTMELDGCKTAYK6 \
  | 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: eff89f4afe7127b0cd8458cc254c185796ca2df4e700abfaa88cec39daf7f50d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17b960ecf89f28f76395cae96f17771725e8538993ba5dc882b7686c560e32f4",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG",
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-19T01:23:10Z",
    "title_canon_sha256": "b3781b08ea9439d1de32e7189586e1c132b8318f5f4307e2a9494a2426e56788"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21024",
    "kind": "arxiv",
    "version": 1
  }
}