Pith Number

pith:2FJODF4P

pith:2017:2FJODF4PMTJDNGURC2VGJ2QEY7

not attested not anchored not stored refs pending

GUIDES - Geospatial Urban Infrastructure Data Engineering Solutions

Booma Sowkarthiga Balasubramani, Eric S. Boria, Isabel F. Cruz, Michael D. Siciliano, Omar Belingheri, Sybil Derrible

arxiv:1710.04144 v1 · 2017-10-11 · cs.CY · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FJODF4PMTJDNGURC2VGJ2QEY7}

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	2026-05-18T00:33:04.791704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d152e1978f64d2369a9116aa64ea04c7c3144b14ccd31987bbda6b1d03efd2ed

Aliases

arxiv: 1710.04144 · arxiv_version: 1710.04144v1 · doi: 10.48550/arxiv.1710.04144 · pith_short_12: 2FJODF4PMTJD · pith_short_16: 2FJODF4PMTJDNGUR · pith_short_8: 2FJODF4P

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/2FJODF4PMTJDNGURC2VGJ2QEY7 \
  | 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: d152e1978f64d2369a9116aa64ea04c7c3144b14ccd31987bbda6b1d03efd2ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06f160abc7e10048bb8f48fea6fd10750f2745f1287db61af81ee349ec609a00",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-10-11T15:58:21Z",
    "title_canon_sha256": "8f33f2675825782250bb8d78b89ec2ea8adcc6d65c5bff7860f301da021755a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04144",
    "kind": "arxiv",
    "version": 1
  }
}