Pith Number

pith:6IHW44UN

pith:2013:6IHW44UNJATQVBNPWXIKZPMSAN

not attested not anchored not stored refs pending

Quantifying Morphological Computation

Keyan Zahedi, Nihat Ay

arxiv:1301.6975 v2 · 2013-01-29 · cs.AI · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6IHW44UNJATQVBNPWXIKZPMSAN}

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	2026-05-18T03:20:32.406433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f20f6e728d48270a85afb5d0acbd92037eb692dea17fcba8f5849c6241556a21

Aliases

arxiv: 1301.6975 · arxiv_version: 1301.6975v2 · doi: 10.48550/arxiv.1301.6975 · pith_short_12: 6IHW44UNJATQ · pith_short_16: 6IHW44UNJATQVBNP · pith_short_8: 6IHW44UN

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/6IHW44UNJATQVBNPWXIKZPMSAN \
  | 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: f20f6e728d48270a85afb5d0acbd92037eb692dea17fcba8f5849c6241556a21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b607a9438e039a07e10cb5874331e4a9c8e648122bb7a5232b66266873caef7b",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-01-29T16:39:18Z",
    "title_canon_sha256": "8e9e840b5781f79c9bed7927ce02bf9cff1fc50d609aaef1e8f6aa9c951d364c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6975",
    "kind": "arxiv",
    "version": 2
  }
}