Pith Number

pith:WB57OFNL

pith:2010:WB57OFNLCZK7ZVHKYOJUQVK5MR

not attested not anchored not stored refs pending

On Macroscopic Complexity and Perceptual Coding

John Scoville

arxiv:1005.1684 v12 · 2010-05-10 · cs.IT · cs.AI · cs.MM · cs.SD · 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{WB57OFNLCZK7ZVHKYOJUQVK5MR}

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	2026-05-18T04:18:45.095059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b07bf715ab1655fcd4eac39348555d64494db1b8ab7475f25d5076391825c8e0

Aliases

arxiv: 1005.1684 · arxiv_version: 1005.1684v12 · doi: 10.48550/arxiv.1005.1684 · pith_short_12: WB57OFNLCZK7 · pith_short_16: WB57OFNLCZK7ZVHK · pith_short_8: WB57OFNL

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/WB57OFNLCZK7ZVHKYOJUQVK5MR \
  | 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: b07bf715ab1655fcd4eac39348555d64494db1b8ab7475f25d5076391825c8e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52f2a0efbcab52ce28554101ff8d0920a0d270849b07ee4731840435dbd907fe",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.MM",
      "cs.SD",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-05-10T22:41:10Z",
    "title_canon_sha256": "b6cea2d9d1921f285e3536288b4d06ae009b9c0c48badaea058d6a0be117fee8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1684",
    "kind": "arxiv",
    "version": 12
  }
}