Pith Number

pith:YQW4MUN4

pith:2011:YQW4MUN4CU74WNIDGJ2QPNQEFO

not attested not anchored not stored refs pending

A simple mathematical model for assessment of anti-toxin antibodies

Alex Skvortsov, Peter Gray

arxiv:1111.0351 v2 · 2011-11-02 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQW4MUN4CU74WNIDGJ2QPNQEFO}

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	2026-05-18T02:21:34.973918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c42dc651bc153fcb3503327507b6042ba28eba38743b5cf6d322714335c8b749

Aliases

arxiv: 1111.0351 · arxiv_version: 1111.0351v2 · doi: 10.48550/arxiv.1111.0351 · pith_short_12: YQW4MUN4CU74 · pith_short_16: YQW4MUN4CU74WNID · pith_short_8: YQW4MUN4

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/YQW4MUN4CU74WNIDGJ2QPNQEFO \
  | 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: c42dc651bc153fcb3503327507b6042ba28eba38743b5cf6d322714335c8b749

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca9f7609b897ef522942013d424920b7be5dc9122766ac2c247fa853fe96775c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2011-11-02T00:07:55Z",
    "title_canon_sha256": "0b3e2cf651ac8cd364414cb167be83d17d08409764318c14fa13e9dd0a1f2244"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0351",
    "kind": "arxiv",
    "version": 2
  }
}