Pith Number

pith:JBCLOP6F

pith:2021:JBCLOP6F6RWHYHOWG36EHBME5Y

not attested not anchored not stored refs pending

A Geospatial Functional Model For OCO-2 Data with Application on Imputation and Land Fraction Estimation

Jonathan Hobbs, Xinyue Chang, Xiongtao Dai, Zhengyuan Zhu

arxiv:2101.09418 v1 · 2021-01-23 · 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{JBCLOP6F6RWHYHOWG36EHBME5Y}

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	2026-07-05T02:09:18.449385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4844b73fc5f46c7c1dd636fc438584ee1d7fc1e04fa19ecf8324b32d9c3e92c4

Aliases

arxiv: 2101.09418 · arxiv_version: 2101.09418v1 · doi: 10.48550/arxiv.2101.09418 · pith_short_12: JBCLOP6F6RWH · pith_short_16: JBCLOP6F6RWHYHOW · pith_short_8: JBCLOP6F

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/JBCLOP6F6RWHYHOWG36EHBME5Y \
  | 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: 4844b73fc5f46c7c1dd636fc438584ee1d7fc1e04fa19ecf8324b32d9c3e92c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b898ebc0a3098a7fbdc873084b69f24707deba412805646b12aca7d829457e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2021-01-23T05:09:33Z",
    "title_canon_sha256": "01b6dce5f0e6a0a769b7d7d12af28432cc630e08bdea437f171fad5de479be4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09418",
    "kind": "arxiv",
    "version": 1
  }
}