Pith Number

pith:4VYZSGGT

pith:2015:4VYZSGGTI5H5V3KSHSO2UIRK5J

not attested not anchored not stored refs pending

Space Bounds for Reliable Storage: Fundamental Limits of Coding

Alexander Spiegelman, Gregory Chockler, Idit Keidar, Yuval Cassuto

arxiv:1507.05169 v1 · 2015-07-18 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VYZSGGTI5H5V3KSHSO2UIRK5J}

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	2026-05-18T01:36:41.238283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5719918d3474fdaed523c9daa222aea6e4b7d4bf9a1fdc6c04b02d9b0258663

Aliases

arxiv: 1507.05169 · arxiv_version: 1507.05169v1 · doi: 10.48550/arxiv.1507.05169 · pith_short_12: 4VYZSGGTI5H5 · pith_short_16: 4VYZSGGTI5H5V3KS · pith_short_8: 4VYZSGGT

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/4VYZSGGTI5H5V3KSHSO2UIRK5J \
  | 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: e5719918d3474fdaed523c9daa222aea6e4b7d4bf9a1fdc6c04b02d9b0258663

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6e4160b9715d9204daa5f52e0fadf91face04a19448299fd194913c44565c9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-07-18T10:25:18Z",
    "title_canon_sha256": "08dbdcb15231a36d204f2c4ed988b246ab94b787558481fe572f2d4deec8364d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05169",
    "kind": "arxiv",
    "version": 1
  }
}