Pith Number

pith:EMPLPKSS

pith:2019:EMPLPKSS4MYNKBBZHAQSA6QWXK

not attested not anchored not stored refs pending

Fast Deterministic Constructions of Linear-Size Spanners and Skeletons

Michael Elkin, Shaked Matar

arxiv:1907.10895 v1 · 2019-07-25 · cs.DC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EMPLPKSS4MYNKBBZHAQSA6QWXK}

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	2026-05-17T23:39:34.136440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

231eb7aa52e330d504393821207a16baad9b6e7c09d04a1340d8b2799baea627

Aliases

arxiv: 1907.10895 · arxiv_version: 1907.10895v1 · doi: 10.48550/arxiv.1907.10895 · pith_short_12: EMPLPKSS4MYN · pith_short_16: EMPLPKSS4MYNKBBZ · pith_short_8: EMPLPKSS

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/EMPLPKSS4MYNKBBZHAQSA6QWXK \
  | 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: 231eb7aa52e330d504393821207a16baad9b6e7c09d04a1340d8b2799baea627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33c7a9a73f70a2d6b2483a0517657ef3a656b4647587f3d45ff12da55c2045ba",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-07-25T08:21:54Z",
    "title_canon_sha256": "c0ffc4dad76469d462682b2250ebc6f96575a43dc22fb4bb2b59d0f887d7ba47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10895",
    "kind": "arxiv",
    "version": 1
  }
}