Pith Number

pith:6PFN2I2Z

pith:2018:6PFN2I2ZHDELRF64Q4G2YQHLC6

not attested not anchored not stored refs pending

AI Should Not Be an Open Source Project

Dimiter Dobrev

arxiv:1806.03250 v1 · 2018-05-31 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PFN2I2ZHDELRF64Q4G2YQHLC6}

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	2026-05-17T23:42:43.215276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3cadd235938c8b897dc870dac40eb1789b1f1190fae7a387f8c72d21029686d

Aliases

arxiv: 1806.03250 · arxiv_version: 1806.03250v1 · doi: 10.48550/arxiv.1806.03250 · pith_short_12: 6PFN2I2ZHDEL · pith_short_16: 6PFN2I2ZHDELRF64 · pith_short_8: 6PFN2I2Z

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/6PFN2I2ZHDELRF64Q4G2YQHLC6 \
  | 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: f3cadd235938c8b897dc870dac40eb1789b1f1190fae7a387f8c72d21029686d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5bae8a9d560686a02ef83f1c8f972244a51a5375435709aad4f5ec442361332",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-05-31T09:55:24Z",
    "title_canon_sha256": "952f808ef10b78e234b33156311a78091204ab0c217c5d29027324bffdc285a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03250",
    "kind": "arxiv",
    "version": 1
  }
}