Pith Number

pith:OCMKDKK6

pith:2020:OCMKDKK63CYDDZJGXCDRFTX2J2

not attested not anchored not stored refs pending

Indexical Cities: Articulating Personal Models of Urban Preference with Geotagged Data

Diana Alvarez-Marin, Karla Saldana Ochoa

arxiv:2001.10615 v1 · 2020-01-23 · cs.CY · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OCMKDKK63CYDDZJGXCDRFTX2J2}

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	2026-07-05T00:37:10.780345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7098a1a95ed8b031e526b88712cefa4ebb3340c47fd1a90b08c86a4a8d63dc11

Aliases

arxiv: 2001.10615 · arxiv_version: 2001.10615v1 · doi: 10.48550/arxiv.2001.10615 · pith_short_12: OCMKDKK63CYD · pith_short_16: OCMKDKK63CYDDZJG · pith_short_8: OCMKDKK6

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/OCMKDKK63CYDDZJGXCDRFTX2J2 \
  | 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: 7098a1a95ed8b031e526b88712cefa4ebb3340c47fd1a90b08c86a4a8d63dc11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cafc4f7d213a6bc842bc53fcc2a9ae73f215cdbaa7d77f19909d9757d818a91",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-01-23T11:00:19Z",
    "title_canon_sha256": "684b8fcd7bbc1e969302fac16c6b70a99d02d0ed074415bf4332b0dec7a96495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.10615",
    "kind": "arxiv",
    "version": 1
  }
}