Pith Number

pith:BPQC3O26

pith:2013:BPQC3O26L5BLRWEOEUOALDUESB

not attested not anchored not stored refs pending

Correcting Grain-Errors in Magnetic Media

Eitan Yaakobi, Lara Dolecek, Ryan Gabrys

arxiv:1307.7087 v2 · 2013-07-26 · 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{BPQC3O26L5BLRWEOEUOALDUESB}

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	2026-05-18T00:17:13.818012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0be02dbb5e5f42b8d88e251c058e8490675c46f68a4ef493c6076114b25b617b

Aliases

arxiv: 1307.7087 · arxiv_version: 1307.7087v2 · doi: 10.48550/arxiv.1307.7087 · pith_short_12: BPQC3O26L5BL · pith_short_16: BPQC3O26L5BLRWEO · pith_short_8: BPQC3O26

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/BPQC3O26L5BLRWEOEUOALDUESB \
  | 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: 0be02dbb5e5f42b8d88e251c058e8490675c46f68a4ef493c6076114b25b617b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c28929fffccb8ed8dbc08d0957e3014d37f6714361d02068e6a8dc2337f413b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-26T16:32:36Z",
    "title_canon_sha256": "42c3c4f90605665c878db77b3aa9618138f7480f37225d83794599f5d8f1004b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7087",
    "kind": "arxiv",
    "version": 2
  }
}