Pith Number

pith:FK3BUCBZ

pith:2016:FK3BUCBZSAJHEIVBQSRLFOSSYP

not attested not anchored not stored refs pending

Cortical Computation via Iterative Constructions

Christos Papadimitrou, Samantha Petti, Santosh Vempala

arxiv:1602.08357 v2 · 2016-02-26 · cs.NE · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FK3BUCBZSAJHEIVBQSRLFOSSYP}

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	2026-05-18T01:12:24.997572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ab61a083990127222a184a2b2ba52c3ddca0407744a5ee4b534c9c68baa8ca4

Aliases

arxiv: 1602.08357 · arxiv_version: 1602.08357v2 · doi: 10.48550/arxiv.1602.08357 · pith_short_12: FK3BUCBZSAJH · pith_short_16: FK3BUCBZSAJHEIVB · pith_short_8: FK3BUCBZ

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/FK3BUCBZSAJHEIVBQSRLFOSSYP \
  | 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: 2ab61a083990127222a184a2b2ba52c3ddca0407744a5ee4b534c9c68baa8ca4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72f30b6440aab6024c790167bf693d23877a45e519de73e9eebf85dcd7f9f59c",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2016-02-26T15:01:08Z",
    "title_canon_sha256": "7f8bd8a64699b6c5a8c84b39a27adc965b6115e6fa110a22dd12a6f04372ecd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08357",
    "kind": "arxiv",
    "version": 2
  }
}