Pith Number

pith:TA6OY45G

pith:2020:TA6OY45GVL4QNX4QHBQ4NGRQAG

not attested not anchored not stored refs pending

Sewage Pooling Test for SARS-CoV-2

Anik Sengupta, Ankan Dutta, Ritam Guha

arxiv:2005.07269 v1 · 2020-05-13 · q-bio.OT · 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{TA6OY45GVL4QNX4QHBQ4NGRQAG}

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	2026-07-05T01:03:00.910430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

983cec73a6aaf906df903861c69a3001b9818c9a4c7f85a5641b467d61687a76

Aliases

arxiv: 2005.07269 · arxiv_version: 2005.07269v1 · doi: 10.48550/arxiv.2005.07269 · pith_short_12: TA6OY45GVL4Q · pith_short_16: TA6OY45GVL4QNX4Q · pith_short_8: TA6OY45G

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/TA6OY45GVL4QNX4QHBQ4NGRQAG \
  | 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: 983cec73a6aaf906df903861c69a3001b9818c9a4c7f85a5641b467d61687a76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a97978064ebd7024c2b7ae8c9f256d5620a901c978269dc63d949c4f0856225c",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.OT",
    "submitted_at": "2020-05-13T16:00:17Z",
    "title_canon_sha256": "0948aaa3c5a534fc33a641d42267013e70b5ddae97185bb85a91f21efbc28d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.07269",
    "kind": "arxiv",
    "version": 1
  }
}