Pith Number

pith:SXU7HKRL

pith:2011:SXU7HKRLCMNBQNKA3VSE4YEPXL

not attested not anchored not stored refs pending

Self-Repairing Codes for Distributed Storage - A Projective Geometric Construction

Anwitaman Datta, Frederique Oggier

arxiv:1105.0379 v1 · 2011-05-02 · cs.DC · 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{SXU7HKRLCMNBQNKA3VSE4YEPXL}

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	2026-05-18T04:23:11.967340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95e9f3aa2b131a183540dd644e608fbac276ba05ea1b1d20f533a51cd7ae0218

Aliases

arxiv: 1105.0379 · arxiv_version: 1105.0379v1 · doi: 10.48550/arxiv.1105.0379 · pith_short_12: SXU7HKRLCMNB · pith_short_16: SXU7HKRLCMNBQNKA · pith_short_8: SXU7HKRL

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/SXU7HKRLCMNBQNKA3VSE4YEPXL \
  | 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: 95e9f3aa2b131a183540dd644e608fbac276ba05ea1b1d20f533a51cd7ae0218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9df0c0f0746736caf88c9bc0fac424a989f65b727fa8ed22bdca47a2580652eb",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2011-05-02T16:54:17Z",
    "title_canon_sha256": "dd6d299dc79b234c673bd39caddc98b1f1ff7fb49a88f1dc97136741ade752ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0379",
    "kind": "arxiv",
    "version": 1
  }
}