Pith Number

pith:6V5GH3WM

pith:2012:6V5GH3WM66P466HUNER52GTJFN

not attested not anchored not stored refs pending

Conditions for a Monotonic Channel Capacity

Erik Agrell

arxiv:1209.2820 v3 · 2012-09-13 · 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{6V5GH3WM66P466HUNER52GTJFN}

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	2026-05-18T02:20:59.814800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f57a63eeccf79fcf78f46923dd1a692b62b080b4a73b75c1e9965a793734696f

Aliases

arxiv: 1209.2820 · arxiv_version: 1209.2820v3 · doi: 10.48550/arxiv.1209.2820 · pith_short_12: 6V5GH3WM66P4 · pith_short_16: 6V5GH3WM66P466HU · pith_short_8: 6V5GH3WM

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/6V5GH3WM66P466HUNER52GTJFN \
  | 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: f57a63eeccf79fcf78f46923dd1a692b62b080b4a73b75c1e9965a793734696f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b6fa263e7ba913a96a95574a10fb10fa2cffa15d3b0842ea2d826b0a0d4890a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-09-13T09:02:24Z",
    "title_canon_sha256": "1fa7da3c8c94a974301a1b9fb9e006ef72dc6cc9e7c33296e60dff4ade97599a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2820",
    "kind": "arxiv",
    "version": 3
  }
}