Pith Number

pith:MQSICAA7

pith:2017:MQSICAA7GJD72IZSBL6OQQGBQN

not attested not anchored not stored refs pending

On the Input-Degradedness and Input-Equivalence Between Channels

Rajai Nasser

arxiv:1702.00727 v1 · 2017-02-02 · 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{MQSICAA7GJD72IZSBL6OQQGBQN}

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	2026-05-18T00:51:30.985912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

642481001f3247fd23320afce840c1836b33bd2ebdb89f2334af275ab12395bd

Aliases

arxiv: 1702.00727 · arxiv_version: 1702.00727v1 · doi: 10.48550/arxiv.1702.00727 · pith_short_12: MQSICAA7GJD7 · pith_short_16: MQSICAA7GJD72IZS · pith_short_8: MQSICAA7

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/MQSICAA7GJD72IZSBL6OQQGBQN \
  | 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: 642481001f3247fd23320afce840c1836b33bd2ebdb89f2334af275ab12395bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87f88e6ed81a90c3e03d2acd1aee7a11c7bb452aff06b5bd41e525202f05e4e0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-02T16:04:46Z",
    "title_canon_sha256": "88d28e41782be660f4bb8a70ccfccb15b452f613b9cb15b30d05d9cf6a7dd0fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00727",
    "kind": "arxiv",
    "version": 1
  }
}