Pith Number

pith:S5TZEO47

pith:2007:S5TZEO47EK7JV757LW6WYPB5ZL

not attested not anchored not stored refs pending

Feedback Capacity of the Compound Channel

Brooke Shrader, Haim Permuter

arxiv:0711.0705 v1 · 2007-11-05 · 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{S5TZEO47EK7JV757LW6WYPB5ZL}

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	2026-05-18T00:59:11.999828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9767923b9f22be9affbf5dbd6c3c3dcac68175fd49583e0e7495eeaa709bc0d8

Aliases

arxiv: 0711.0705 · arxiv_version: 0711.0705v1 · doi: 10.48550/arxiv.0711.0705 · pith_short_12: S5TZEO47EK7J · pith_short_16: S5TZEO47EK7JV757 · pith_short_8: S5TZEO47

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/S5TZEO47EK7JV757LW6WYPB5ZL \
  | 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: 9767923b9f22be9affbf5dbd6c3c3dcac68175fd49583e0e7495eeaa709bc0d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed4d4b54077b5fb21cc85bb102be0fb3cd2657d062a1c65378760f77b1b85664",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-11-05T17:42:17Z",
    "title_canon_sha256": "d551cef8cd1acdd31117188f49684ad8a1320bfeccba771edfd6422766497092"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0705",
    "kind": "arxiv",
    "version": 1
  }
}