Pith Number

pith:G2M44ZEM

pith:2019:G2M44ZEMZZQ3DOXS2MNHB54KQY

not attested not anchored not stored refs pending

A Repairable System Supported by Two Spare Units and Serviced by Two Types of Repairers

Jyotirmoy Sarkar, Vahid Andalib

arxiv:1908.02547 v1 · 2019-08-04 · cs.PF · cs.SY · eess.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G2M44ZEMZZQ3DOXS2MNHB54KQY}

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	2026-07-04T23:52:10.100585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3699ce648cce61b1baf2d31a70f78a8624befbc87a4c89e37332f35749ad923b

Aliases

arxiv: 1908.02547 · arxiv_version: 1908.02547v1 · doi: 10.48550/arxiv.1908.02547 · pith_short_12: G2M44ZEMZZQ3 · pith_short_16: G2M44ZEMZZQ3DOXS · pith_short_8: G2M44ZEM

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/G2M44ZEMZZQ3DOXS2MNHB54KQY \
  | 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: 3699ce648cce61b1baf2d31a70f78a8624befbc87a4c89e37332f35749ad923b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed210d4ba65b816bcdc50381f1ae835646be5be1da78e371e50b46416ebbce49",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2019-08-04T19:19:42Z",
    "title_canon_sha256": "821d27ca9a9e7f931ae6edfdd30d8d9b7e00e9b94bc2951de634698f11d883d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02547",
    "kind": "arxiv",
    "version": 1
  }
}