Pith Number

pith:4VVEYPYF

pith:2019:4VVEYPYFZTC75ORIHI4NQ7T4BR

not attested not anchored not stored refs pending

A system of different layers of abstraction for artificial intelligence

Alexander Serb, Themistoklis Prodromakis

arxiv:1907.10508 v1 · 2019-07-22 · cs.CY · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VVEYPYFZTC75ORIHI4NQ7T4BR}

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	2026-05-17T23:39:37.697313Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56a4c3f05ccc5feba283a38d87e7c0c5ad2447c9e63f21d31ba14bd13067643

Aliases

arxiv: 1907.10508 · arxiv_version: 1907.10508v1 · doi: 10.48550/arxiv.1907.10508 · pith_short_12: 4VVEYPYFZTC7 · pith_short_16: 4VVEYPYFZTC75ORI · pith_short_8: 4VVEYPYF

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/4VVEYPYFZTC75ORIHI4NQ7T4BR \
  | 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: e56a4c3f05ccc5feba283a38d87e7c0c5ad2447c9e63f21d31ba14bd13067643

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1100960e8426963858cb2ec381c8dd3d2f91e052bd47062e301ffeeff0f82cb7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-07-22T08:09:14Z",
    "title_canon_sha256": "38c0597c4ca8cec7f77a8c20ca57a4132d1ad22bf9e0d40f089422f6ef0bd41e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10508",
    "kind": "arxiv",
    "version": 1
  }
}