Pith Number

pith:NVI3A2C4

pith:2021:NVI3A2C4GXKNW5JLFXYROKQINB

not attested not anchored not stored refs pending

Dynamic group testing to control and monitor disease progression in a population

Christina Fragouli, Pavlos Nikolopoulos, Suhas Diggavi, Sundara Rajan Srinivasavaradhan

arxiv:2106.10765 v1 · 2021-06-20 · stat.ME · physics.soc-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NVI3A2C4GXKNW5JLFXYROKQINB}

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	2026-07-05T02:50:53.076602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d51b0685c35d4db752b2df1172a086866e73784a06fc647d25221308ad7d9bc

Aliases

arxiv: 2106.10765 · arxiv_version: 2106.10765v1 · doi: 10.48550/arxiv.2106.10765 · pith_short_12: NVI3A2C4GXKN · pith_short_16: NVI3A2C4GXKNW5JL · pith_short_8: NVI3A2C4

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/NVI3A2C4GXKNW5JLFXYROKQINB \
  | 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: 6d51b0685c35d4db752b2df1172a086866e73784a06fc647d25221308ad7d9bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "059a0bdccc30b7fa6c580e0d683e1b1d1c5334f1f4a033ab2d6bd7970b9727e9",
    "cross_cats_sorted": [
      "physics.soc-ph",
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-06-20T22:22:30Z",
    "title_canon_sha256": "75bdd62ccfd94ef69b28350b9a631e1b394a73c7b56daa8ac7d8bcc04769fe35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10765",
    "kind": "arxiv",
    "version": 1
  }
}