Pith Number

pith:D6XJS4B2

pith:2009:D6XJS4B2Y2SY5S76CRQ2QSFKKO

not attested not anchored not stored refs pending

Upper Bounds on the Capacities of Noncontrollable Finite-State Channels with/without Feedback

Aleksandar Kavcic, Xiao Ma, Xiujie Huang

arxiv:0904.1150 v6 · 2009-04-07 · cs.IT · cs.SY · math.IT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6XJS4B2Y2SY5S76CRQ2QSFKKO}

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	2026-05-18T00:57:58.232644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fae99703ac6a58ecbfe1461a848aa538f676ea5be5a7dbe4d44729ce49e4891

Aliases

arxiv: 0904.1150 · arxiv_version: 0904.1150v6 · doi: 10.48550/arxiv.0904.1150 · pith_short_12: D6XJS4B2Y2SY · pith_short_16: D6XJS4B2Y2SY5S76 · pith_short_8: D6XJS4B2

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/D6XJS4B2Y2SY5S76CRQ2QSFKKO \
  | 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: 1fae99703ac6a58ecbfe1461a848aa538f676ea5be5a7dbe4d44729ce49e4891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a284b566f1eeafc12e69bd2028af4af61ad1d99869f1925a3d92639e5e6ffd1",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-04-07T14:20:41Z",
    "title_canon_sha256": "7d4a3fb8c4994ca846ea9e1ac2ac0bc5f3b30d43867261d4398ca04c5b7af9d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1150",
    "kind": "arxiv",
    "version": 6
  }
}