Pith Number

pith:AF7JYVR4

pith:2016:AF7JYVR4PQRMF46BF7TF6LAGRM

not attested not anchored not stored refs pending

The Capacity of Online (Causal) $q$-ary Error-Erasure Channels

Michael Langberg, Sidharth Jaggi, Zitan Chen

arxiv:1602.00276 v1 · 2016-01-31 · 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{AF7JYVR4PQRMF46BF7TF6LAGRM}

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	2026-05-18T01:21:35.818458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

017e9c563c7c22c2f3c12fe65f2c068b3b65c3ef9450e1883b0829b2f6055f2b

Aliases

arxiv: 1602.00276 · arxiv_version: 1602.00276v1 · doi: 10.48550/arxiv.1602.00276 · pith_short_12: AF7JYVR4PQRM · pith_short_16: AF7JYVR4PQRMF46B · pith_short_8: AF7JYVR4

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/AF7JYVR4PQRMF46BF7TF6LAGRM \
  | 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: 017e9c563c7c22c2f3c12fe65f2c068b3b65c3ef9450e1883b0829b2f6055f2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2ea1984c7e8e79d32c8610c8227f5452774a6e9ca65f3723c1cfe6c37aea7b5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-01-31T16:27:05Z",
    "title_canon_sha256": "57bdfaa558e67ad6f5b5290f9fc32f290e56e710029d3aaf986201defccda1e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00276",
    "kind": "arxiv",
    "version": 1
  }
}