Pith Number

pith:AJNLNI5A

pith:2017:AJNLNI5AG62J4CF2KJ7467RCZV

not attested not anchored not stored refs pending

Capacity Upper Bounds for Deletion-Type Channels

Mahdi Cheraghchi

arxiv:1711.01630 v4 · 2017-11-05 · cs.IT · math.IT · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AJNLNI5AG62J4CF2KJ7467RCZV}

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	2026-05-18T00:13:47.358191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

025ab6a3a037b49e08ba527fcf7e22cd439a01b2d3ea6bd9ce9195f0c2d5ae95

Aliases

arxiv: 1711.01630 · arxiv_version: 1711.01630v4 · doi: 10.48550/arxiv.1711.01630 · pith_short_12: AJNLNI5AG62J · pith_short_16: AJNLNI5AG62J4CF2 · pith_short_8: AJNLNI5A

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/AJNLNI5AG62J4CF2KJ7467RCZV \
  | 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: 025ab6a3a037b49e08ba527fcf7e22cd439a01b2d3ea6bd9ce9195f0c2d5ae95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a69b5e5c48900e6800b0be14bbb923d8363a09c9242524d9b3cbf17d311d1b89",
    "cross_cats_sorted": [
      "math.IT",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-11-05T18:17:31Z",
    "title_canon_sha256": "59ae1ac092abd3355a79ee73c764ea1f15ec4b05cbc5fd8ef9149b102d86d043"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01630",
    "kind": "arxiv",
    "version": 4
  }
}