Pith Number

pith:MP5DTXSL

pith:2018:MP5DTXSLMAEM5BBXMR6IQ77NT7

not attested not anchored not stored refs pending

Regulation of T cell expansion by antigen presentation dynamics

Alan S. Perelson, Andreas Mayer, Ned S. Wingreen, Yaojun Zhang

arxiv:1807.09481 v1 · 2018-07-25 · q-bio.PE · q-bio.CB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MP5DTXSLMAEM5BBXMR6IQ77NT7}

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	2026-07-05T02:04:25.664272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63fa39de4b6008ce8437647c887fed9ff7f94fe9efb603add9a1743ba2f82455

Aliases

arxiv: 1807.09481 · arxiv_version: 1807.09481v1 · doi: 10.48550/arxiv.1807.09481 · pith_short_12: MP5DTXSLMAEM · pith_short_16: MP5DTXSLMAEM5BBX · pith_short_8: MP5DTXSL

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/MP5DTXSLMAEM5BBXMR6IQ77NT7 \
  | 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: 63fa39de4b6008ce8437647c887fed9ff7f94fe9efb603add9a1743ba2f82455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb28576b50dad3a1882ea9da837a7f6765ebda37938fd81820619a9083733832",
    "cross_cats_sorted": [
      "q-bio.CB"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-07-25T08:39:44Z",
    "title_canon_sha256": "d23bc25541259303e9cf7cbcf7ed703ef83f8a040532cdd5ac75ad539a3da8e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09481",
    "kind": "arxiv",
    "version": 1
  }
}