Pith Number

pith:FUFZ7CBV

pith:2019:FUFZ7CBVO3CCDIWV6QBIIVIGCH

not attested not anchored not stored refs pending

Hierarchical Coding to Enable Scalability and Flexibility in Heterogeneous Cloud Storage

Ahmed Hareedy, Lara Dolecek, Robert Calderbank, Siyi Yang

arxiv:1905.02279 v1 · 2019-05-06 · 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{FUFZ7CBVO3CCDIWV6QBIIVIGCH}

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	2026-05-17T23:46:51.890945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d0b9f883576c421a2d5f40284550611c4101f0c338982eb6b8b40146fbc68af

Aliases

arxiv: 1905.02279 · arxiv_version: 1905.02279v1 · doi: 10.48550/arxiv.1905.02279 · pith_short_12: FUFZ7CBVO3CC · pith_short_16: FUFZ7CBVO3CCDIWV · pith_short_8: FUFZ7CBV

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/FUFZ7CBVO3CCDIWV6QBIIVIGCH \
  | 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: 2d0b9f883576c421a2d5f40284550611c4101f0c338982eb6b8b40146fbc68af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8653abf747954dc7b898dce41fd06ed7f58918b6e757aec3df75474bb98ce72",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-05-06T22:10:41Z",
    "title_canon_sha256": "ca9da920e265e1201ae67af8b2b66040f00f354ad46c879254624e3b79c41100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02279",
    "kind": "arxiv",
    "version": 1
  }
}