Pith Number

pith:2WJZDKOX

pith:2016:2WJZDKOX7DGZOHJCU7VPDQ37UP

not attested not anchored not stored refs pending

A Survey of Methods for Collective Communication Optimization and Tuning

Andrew Lumsdaine, Udayanga Wickramasinghe

arxiv:1611.06334 v1 · 2016-11-19 · 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{2WJZDKOX7DGZOHJCU7VPDQ37UP}

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	2026-05-18T00:57:38.988227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d59391a9d7f8cd971d22a7eaf1c37fa3d428660c64456e8f96118cf1c4ee592a

Aliases

arxiv: 1611.06334 · arxiv_version: 1611.06334v1 · doi: 10.48550/arxiv.1611.06334 · pith_short_12: 2WJZDKOX7DGZ · pith_short_16: 2WJZDKOX7DGZOHJC · pith_short_8: 2WJZDKOX

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/2WJZDKOX7DGZOHJCU7VPDQ37UP \
  | 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: d59391a9d7f8cd971d22a7eaf1c37fa3d428660c64456e8f96118cf1c4ee592a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e8c1259aba0178a28c2dd71cf368a86e4a683b268f4e7b53e2d531a054ff9ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-11-19T10:02:40Z",
    "title_canon_sha256": "acafdc6a36924aebec0a0d7f86e03e59ddd1922f4566830d3592ce243a7b0c89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06334",
    "kind": "arxiv",
    "version": 1
  }
}