Pith Number

pith:ALXLPLBY

pith:2018:ALXLPLBY27U5C7P63FVQYJDGU7

not attested not anchored not stored refs pending

Forecasting the Urban Skyline with Extreme Value Theory

Jonathan Auerbach, Phyllis Wan

arxiv:1808.01514 v2 · 2018-08-04 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ALXLPLBY27U5C7P63FVQYJDGU7}

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	2026-05-18T00:02:09.339904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02eeb7ac38d7e9d17dfed96b0c2466a7decea32b01a4aa5d308b4fe0fd769435

Aliases

arxiv: 1808.01514 · arxiv_version: 1808.01514v2 · doi: 10.48550/arxiv.1808.01514 · pith_short_12: ALXLPLBY27U5 · pith_short_16: ALXLPLBY27U5C7P6 · pith_short_8: ALXLPLBY

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/ALXLPLBY27U5C7P63FVQYJDGU7 \
  | 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: 02eeb7ac38d7e9d17dfed96b0c2466a7decea32b01a4aa5d308b4fe0fd769435

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c674e8ed0e8df244c17f22340fdacd080511815fa2e675710ebb3b1c859ef76f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-08-04T17:49:49Z",
    "title_canon_sha256": "c0dd5175eb8142f68a42564ce63f2816bbe19b80951bd9b5a03c0e4ca3d98df1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01514",
    "kind": "arxiv",
    "version": 2
  }
}