Pith Number

pith:7HDRP35M

pith:2010:7HDRP35MY2DFDD5QC5ADODCM7U

not attested not anchored not stored refs pending

How to use our talents based on Information Theory - or spending time wisely

Marco Chiani

arxiv:1010.3337 v1 · 2010-10-16 · cs.IT · math.IT · math.OC · physics.soc-ph · stat.AP

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

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	2026-05-18T04:39:09.417650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9c717efacc686518fb01740370c4cfd311f966fb419e6c550e1fb3966249685

Aliases

arxiv: 1010.3337 · arxiv_version: 1010.3337v1 · doi: 10.48550/arxiv.1010.3337 · pith_short_12: 7HDRP35MY2DF · pith_short_16: 7HDRP35MY2DFDD5Q · pith_short_8: 7HDRP35M

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/7HDRP35MY2DFDD5QC5ADODCM7U \
  | 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: f9c717efacc686518fb01740370c4cfd311f966fb419e6c550e1fb3966249685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ba10f90b2837a7118efa16505e4059f9cee7736f69dc6220778230a7b93f355",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC",
      "physics.soc-ph",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-10-16T10:39:26Z",
    "title_canon_sha256": "bd8e1c12a89019a7fcc3f8af223b40f0d7a7fe899baafab95782296de68785d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3337",
    "kind": "arxiv",
    "version": 1
  }
}