Pith Number

pith:4YMQA5VG

pith:2015:4YMQA5VGKTU4GZIIVCXVCQEHXX

not attested not anchored not stored refs pending

Making Availability as a Service in the Clouds

Li Su, Peipei Wang, Pengfei Chen, Xinyi Li, Yong Qi

arxiv:1503.04422 v1 · 2015-03-15 · 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{4YMQA5VGKTU4GZIIVCXVCQEHXX}

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	2026-05-18T02:23:25.075569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6190076a654e9c36508a8af514087bdc55808d16445fcd3fca16a22c1e45081

Aliases

arxiv: 1503.04422 · arxiv_version: 1503.04422v1 · doi: 10.48550/arxiv.1503.04422 · pith_short_12: 4YMQA5VGKTU4 · pith_short_16: 4YMQA5VGKTU4GZII · pith_short_8: 4YMQA5VG

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/4YMQA5VGKTU4GZIIVCXVCQEHXX \
  | 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: e6190076a654e9c36508a8af514087bdc55808d16445fcd3fca16a22c1e45081

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4156efad6f7380fde34c34755d6da6b533a148defa8080d9eaa3ae29b2440c2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-03-15T13:06:10Z",
    "title_canon_sha256": "23e38bea66c8b778dc27513b5f77d7d2f4aee4f845522fac95511098a8e6e9e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04422",
    "kind": "arxiv",
    "version": 1
  }
}