Pith Number

pith:J6TFREQE

pith:2007:J6TFREQEQE7KKEMGIJ5GZO6GHE

not attested not anchored not stored refs pending

Optimization of supply diversity for the self-assembly of simple objects in two and three dimensions

Fabio R. J. Vieira, Valmir C. Barbosa

arxiv:0710.0672 v2 · 2007-10-03 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6TFREQEQE7KKEMGIJ5GZO6GHE}

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	2026-05-18T04:27:02.861488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa6589204813ea51186427a6cbbc63937438c850d2b6fac36adb14804eb41d5

Aliases

arxiv: 0710.0672 · arxiv_version: 0710.0672v2 · doi: 10.48550/arxiv.0710.0672 · pith_short_12: J6TFREQEQE7K · pith_short_16: J6TFREQEQE7KKEMG · pith_short_8: J6TFREQE

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/J6TFREQEQE7KKEMGIJ5GZO6GHE \
  | 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: 4fa6589204813ea51186427a6cbbc63937438c850d2b6fac36adb14804eb41d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b63f99b56aa6459ca1efa30a321ce9dd14819b09b1a5fe411e9fee6c6c9ae9ee",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.NE",
    "submitted_at": "2007-10-03T18:29:12Z",
    "title_canon_sha256": "b9293c8722b348766b2b99631573f1e6093791baa76c7bbd4820c6cf74e832cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.0672",
    "kind": "arxiv",
    "version": 2
  }
}