Pith Number

pith:5FSUMD37

pith:2019:5FSUMD37PCF6I4OGT3L3W5RYA7

not attested not anchored not stored refs pending

Sublinear data structures for short Fr\'echet queries

Anne Driemel, Ioannis Psarros, Melanie Schmidt

arxiv:1907.04420 v2 · 2019-07-09 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FSUMD37PCF6I4OGT3L3W5RYA7}

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	2026-05-17T23:40:48.539730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e965460f7f788be471c69ed7bb763807faad293fa96f38aa8564696eed4e9f59

Aliases

arxiv: 1907.04420 · arxiv_version: 1907.04420v2 · doi: 10.48550/arxiv.1907.04420 · pith_short_12: 5FSUMD37PCF6 · pith_short_16: 5FSUMD37PCF6I4OG · pith_short_8: 5FSUMD37

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/5FSUMD37PCF6I4OGT3L3W5RYA7 \
  | 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: e965460f7f788be471c69ed7bb763807faad293fa96f38aa8564696eed4e9f59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "064232b745070b6d77ea93929a4a296266653adf984a734e9147877c20787759",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-07-09T21:30:21Z",
    "title_canon_sha256": "a355809bc1fea036e71d2d5ee850a781843e65bab5665d9a93eb94f694a0cd40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04420",
    "kind": "arxiv",
    "version": 2
  }
}