Pith Number

pith:ISM5U2WF

pith:2016:ISM5U2WFM6RMBQPS7LWVCSRIL7

not attested not anchored not stored refs pending

Threshold Saturation of Spatially Coupled Sparse Superposition Codes for All Memoryless Channels

Jean Barbier, Mohamad Dia, Nicolas Macris

arxiv:1603.04591 v1 · 2016-03-15 · cs.IT · cond-mat.dis-nn · 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{ISM5U2WFM6RMBQPS7LWVCSRIL7}

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	2026-05-18T01:19:04.420434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4499da6ac567a2c0c1f2faed514a285fc3db14747ad3e6211ec834a2f62ec630

Aliases

arxiv: 1603.04591 · arxiv_version: 1603.04591v1 · doi: 10.48550/arxiv.1603.04591 · pith_short_12: ISM5U2WFM6RM · pith_short_16: ISM5U2WFM6RMBQPS · pith_short_8: ISM5U2WF

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/ISM5U2WFM6RMBQPS7LWVCSRIL7 \
  | 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: 4499da6ac567a2c0c1f2faed514a285fc3db14747ad3e6211ec834a2f62ec630

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7580587bb771d8dcb522fa036b89ed47af598d9ed7c7bbc1137be36ecd7d2c29",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-03-15T08:43:25Z",
    "title_canon_sha256": "caa16e6627a826bdf31c3b7776df84234c4c9898b88d737542560df5a8b3395e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04591",
    "kind": "arxiv",
    "version": 1
  }
}