Pith Number

pith:7AW3N7K7

pith:2018:7AW3N7K7D5B5P3A7RJI2SDXN7M

not attested not anchored not stored refs pending

Stress-testing memcomputing on hard combinatorial optimization problems

Fabio L. Traversa, Forrest Sheldon, Massimiliano Di Ventra, Pietro Cicotti

arxiv:1807.00107 v1 · 2018-06-30 · cs.ET · cs.PF · math.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7AW3N7K7D5B5P3A7RJI2SDXN7M}

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	2026-05-18T00:11:56.081217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f82db6fd5f1f43d7ec1f8a51a90eedfb0410c9acd38928a5dc3bc711218d7235

Aliases

arxiv: 1807.00107 · arxiv_version: 1807.00107v1 · doi: 10.48550/arxiv.1807.00107 · pith_short_12: 7AW3N7K7D5B5 · pith_short_16: 7AW3N7K7D5B5P3A7 · pith_short_8: 7AW3N7K7

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/7AW3N7K7D5B5P3A7RJI2SDXN7M \
  | 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: f82db6fd5f1f43d7ec1f8a51a90eedfb0410c9acd38928a5dc3bc711218d7235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8654d70d91797860e85aff92164824d56bc9398a0e91e826220ba0f0b93adf7",
    "cross_cats_sorted": [
      "cs.PF",
      "math.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2018-06-30T02:06:57Z",
    "title_canon_sha256": "efa0904d7b87a5d2bac60baa6532ad70da32f3e26db32a7b3b82da923582b4ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00107",
    "kind": "arxiv",
    "version": 1
  }
}