Pith Number

pith:QWYC2QRP

pith:2016:QWYC2QRPM43BTA67OSCEZ2OGWR

not attested not anchored not stored refs pending

Memory effects can make the transmission capability of a communication channel uncomputable

David Elkouss, David P\'erez-Garc\'ia

arxiv:1601.06101 v3 · 2016-01-22 · cs.IT · cs.CC · cs.FL · math.IT · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWYC2QRPM43BTA67OSCEZ2OGWR}

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	2026-05-18T00:20:40.251104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b02d422f67361983df74844ce9c6b44136a8ce2b5ddc583b6be3900c4d6869

Aliases

arxiv: 1601.06101 · arxiv_version: 1601.06101v3 · doi: 10.48550/arxiv.1601.06101 · pith_short_12: QWYC2QRPM43B · pith_short_16: QWYC2QRPM43BTA67 · pith_short_8: QWYC2QRP

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/QWYC2QRPM43BTA67OSCEZ2OGWR \
  | 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: 85b02d422f67361983df74844ce9c6b44136a8ce2b5ddc583b6be3900c4d6869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fe3d3777d037f30526b8e17cf27bdea4716041f346ede283109596ed88c4090",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.FL",
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-01-22T19:05:23Z",
    "title_canon_sha256": "63c9dc9aece71ead6bad2fd9d951e6be78d3f0b164dd3ce0c8204a5cf519929d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06101",
    "kind": "arxiv",
    "version": 3
  }
}