Pith Number

pith:WUNUJXBI

pith:2021:WUNUJXBIUIYW5HX63OGUKGRAMC

not attested not anchored not stored refs pending

Machine-Learned HASDM Model with Uncertainty Quantification

Piyush M. Mehta, Richard J. Licata, S. Huzurbazar, W. Kent Tobiska

arxiv:2109.07651 v1 · 2021-09-16 · cs.LG · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WUNUJXBIUIYW5HX63OGUKGRAMC}

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	2026-07-05T03:14:59.625253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b51b44dc28a2316e9efedb8d451a2060baf19e02bb3abfe267e3489ea369063b

Aliases

arxiv: 2109.07651 · arxiv_version: 2109.07651v1 · doi: 10.48550/arxiv.2109.07651 · pith_short_12: WUNUJXBIUIYW · pith_short_16: WUNUJXBIUIYW5HX6 · pith_short_8: WUNUJXBI

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/WUNUJXBIUIYW5HX63OGUKGRAMC \
  | 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: b51b44dc28a2316e9efedb8d451a2060baf19e02bb3abfe267e3489ea369063b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f3c919eadd5154b99573213ece70bfe33919a9a4da1854cb9fb7769b763b149",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-16T01:06:44Z",
    "title_canon_sha256": "60e108ef78c6148eb2c3c413626afc5a160d331efde45ac2364c1de4c941cd97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07651",
    "kind": "arxiv",
    "version": 1
  }
}