Pith. sign in
Pith Number

pith:PKKT77FH

pith:2021:PKKT77FHNOVAD77QY7CYRILCUE
not attested not anchored not stored refs pending

Enhancing Safety of Students with Mobile Air Filtration during School Reopening from COVID-19

Abigayle E. Moser, Ali Doosttalab, Antonio Esquivel-Puentes, Haoguang Yang, Jhon J. Qui\~nones, Luciano Castillo, Mythra V. Balakuntala, Nina Mahmoudian, Richard M. Voyles, Tanya Purwar

arxiv:2104.14418 v1 · 2021-04-29 · cs.RO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PKKT77FHNOVAD77QY7CYRILCUE}

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 2026-07-05T02:36:16.458671Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7a953ffca76baa01fff0c7c588a162a1314e56f087c414937051daf57adbb680

Aliases

arxiv: 2104.14418 · arxiv_version: 2104.14418v1 · doi: 10.48550/arxiv.2104.14418 · pith_short_12: PKKT77FHNOVA · pith_short_16: PKKT77FHNOVAD77Q · pith_short_8: PKKT77FH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PKKT77FHNOVAD77QY7CYRILCUE \
  | 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: 7a953ffca76baa01fff0c7c588a162a1314e56f087c414937051daf57adbb680
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f088ef6442406e7f30a2f5d863817996645649d73f1812a6c177a1f4cc3e6da9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-04-29T15:31:56Z",
    "title_canon_sha256": "0dd4cb6ce85533326a30810565ba6e3649d51b9695f92c319fa32988bab9c611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14418",
    "kind": "arxiv",
    "version": 1
  }
}