Pith Number

pith:H4BTS4CR

pith:2019:H4BTS4CRZG32JBDPWXOOSNGP6I

not attested not anchored not stored refs pending

A novel soft-aided bit-marking decoder for product codes

Alex Alvarado, Alireza Sheikh, Gabriele Liga

arxiv:1906.09792 v1 · 2019-06-24 · cs.IT · eess.SP · 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{H4BTS4CRZG32JBDPWXOOSNGP6I}

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	2026-05-17T23:42:36.684047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f03397051c9b7a4846fb5dce934cff227bcf77fe17e8b21df6b15630dc71e2c

Aliases

arxiv: 1906.09792 · arxiv_version: 1906.09792v1 · doi: 10.48550/arxiv.1906.09792 · pith_short_12: H4BTS4CRZG32 · pith_short_16: H4BTS4CRZG32JBDP · pith_short_8: H4BTS4CR

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/H4BTS4CRZG32JBDPWXOOSNGP6I \
  | 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: 3f03397051c9b7a4846fb5dce934cff227bcf77fe17e8b21df6b15630dc71e2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "660914d058bc15dd6d9548fbe87d3ec2ac7e7ab806fbd4ba1c20ed74c571bfdb",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-24T08:53:09Z",
    "title_canon_sha256": "a25740be141708cb6dcbd7edff48a6839c7b2e20678d33f32c74313db726d240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09792",
    "kind": "arxiv",
    "version": 1
  }
}