Pith Number

pith:57YQVQOP

pith:2021:57YQVQOPENGDDFA6UXPTFNI2V7

not attested not anchored not stored refs pending

Mobile Apps Prioritizing Privacy, Efficiency and Equity: A Decentralized Approach to COVID-19 Vaccination Coordination

Anshuman Sharma, Colin Kang, Haris Nazir, Ishaan Singh, Joseph Bae, Parth Patwa, Priyanshi Katiyar, Rohan Sukumaran, Saurish Srivastava, Sheshank Shankar, Vitor Pamplona

arxiv:2102.09372 v2 · 2021-02-09 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{57YQVQOPENGDDFA6UXPTFNI2V7}

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	2026-07-05T12:01:16.608817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eff10ac1cf234c31941ea5df32b51aafca1fdf973aca84675e37eb01a16018d8

Aliases

arxiv: 2102.09372 · arxiv_version: 2102.09372v2 · doi: 10.48550/arxiv.2102.09372 · pith_short_12: 57YQVQOPENGD · pith_short_16: 57YQVQOPENGDDFA6 · pith_short_8: 57YQVQOP

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/57YQVQOPENGDDFA6UXPTFNI2V7 \
  | 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: eff10ac1cf234c31941ea5df32b51aafca1fdf973aca84675e37eb01a16018d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c183abddb76f58494e3fc391a9337385894cf81054a3ef8644405abd24b7c357",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2021-02-09T05:37:36Z",
    "title_canon_sha256": "0b7988f418d35460472a79eedd404fd0e6b0e6ec4fb94c22f7981321f58cae4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09372",
    "kind": "arxiv",
    "version": 2
  }
}