Pith Number

pith:NSMDC5U5

pith:2015:NSMDC5U5C4GKP3P4OWPIGY6HZH

not attested not anchored not stored refs pending

On the Finiteness of the Capacity of Continuous Channels

Ibrahim Abou-Faycal, Jihad Fahs

arxiv:1504.03814 v3 · 2015-04-15 · 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{NSMDC5U5C4GKP3P4OWPIGY6HZH}

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	2026-05-18T01:24:10.891186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c9831769d170ca7edfc759e8363c7c9d3664ac37b21bad2becf8a206bbf3f2f

Aliases

arxiv: 1504.03814 · arxiv_version: 1504.03814v3 · doi: 10.48550/arxiv.1504.03814 · pith_short_12: NSMDC5U5C4GK · pith_short_16: NSMDC5U5C4GKP3P4 · pith_short_8: NSMDC5U5

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/NSMDC5U5C4GKP3P4OWPIGY6HZH \
  | 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: 6c9831769d170ca7edfc759e8363c7c9d3664ac37b21bad2becf8a206bbf3f2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18217fd311d9c8e3401caaeafce8e7e787be072dbe86ae80d1a8dc86574b051f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-15T08:09:03Z",
    "title_canon_sha256": "4316ba19fd084339209557b884c337557c9986c58e02850742e87f33ea3251e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03814",
    "kind": "arxiv",
    "version": 3
  }
}