Pith Number

pith:N5JRW4EL

pith:2012:N5JRW4ELTBAQGLIHEF7WCZ3O7P

not attested not anchored not stored refs pending

On Minimizing Data-read and Download for Storage-Node Recovery

Nihar B. Shah

arxiv:1212.6952 v2 · 2012-12-31 · 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{N5JRW4ELTBAQGLIHEF7WCZ3O7P}

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	2026-05-18T00:59:04.570679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f531b708b9841032d07217f61676efbf18561fd8f6869bc785f146ba8a2c4ae

Aliases

arxiv: 1212.6952 · arxiv_version: 1212.6952v2 · doi: 10.48550/arxiv.1212.6952 · pith_short_12: N5JRW4ELTBAQ · pith_short_16: N5JRW4ELTBAQGLIH · pith_short_8: N5JRW4EL

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/N5JRW4ELTBAQGLIHEF7WCZ3O7P \
  | 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: 6f531b708b9841032d07217f61676efbf18561fd8f6869bc785f146ba8a2c4ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5341cd87f39458f1b3aa751fdd1eca6b903319673e00b136593387997be8d681",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-12-31T19:22:07Z",
    "title_canon_sha256": "5a287db7fb25b1382883f04bee5a8ac24a803e4ce6f6a41f514395b525b09418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6952",
    "kind": "arxiv",
    "version": 2
  }
}