Pith Number

pith:32CAYA5V

pith:2017:32CAYA5VRKJRRMXITG76UJ4RXF

not attested not anchored not stored refs pending

A Deep Learning Approach for Population Estimation from Satellite Imagery

Bistra Dilkina, Caleb Robinson, Fred Hohman

arxiv:1708.09086 v1 · 2017-08-30 · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32CAYA5VRKJRRMXITG76UJ4RXF}

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	2026-05-18T00:36:21.034828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de840c03b58a9318b2e899bfea2791b9725d3286e473c51d65b1d50395fa6298

Aliases

arxiv: 1708.09086 · arxiv_version: 1708.09086v1 · doi: 10.48550/arxiv.1708.09086 · pith_short_12: 32CAYA5VRKJR · pith_short_16: 32CAYA5VRKJRRMXI · pith_short_8: 32CAYA5V

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/32CAYA5VRKJRRMXITG76UJ4RXF \
  | 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: de840c03b58a9318b2e899bfea2791b9725d3286e473c51d65b1d50395fa6298

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e6658836dd7dc073724453f7be19dab968a2c937de8fd9578a75f3fdbcaff32",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-08-30T02:05:16Z",
    "title_canon_sha256": "6bcc6e173d3d0f83af03c89fc3e1a94a24277becec74d7e4f692a90a56785d49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09086",
    "kind": "arxiv",
    "version": 1
  }
}