Pith Number

pith:SBWSY6IZ

pith:2009:SBWSY6IZHEVA63I3KEXMUSTCR3

not attested not anchored not stored refs pending

Thymic selection of T-cell receptors as an extreme value problem

Andrej Kosmrlj, Arup K. Chakraborty, Eugene I. Shakhnovich, Mehran Kardar

arxiv:0907.2065 v1 · 2009-07-12 · physics.bio-ph · cond-mat.stat-mech · 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{SBWSY6IZHEVA63I3KEXMUSTCR3}

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	2026-05-18T01:12:15.202170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

906d2c7919392a0f6d1b512eca4a628ed7df29ac7507a527c446b60c40497988

Aliases

arxiv: 0907.2065 · arxiv_version: 0907.2065v1 · doi: 10.48550/arxiv.0907.2065 · pith_short_12: SBWSY6IZHEVA · pith_short_16: SBWSY6IZHEVA63I3 · pith_short_8: SBWSY6IZ

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/SBWSY6IZHEVA63I3KEXMUSTCR3 \
  | 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: 906d2c7919392a0f6d1b512eca4a628ed7df29ac7507a527c446b60c40497988

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1bb4a8a90b17fee24df7f54385aec8122fbf421de4aef0b335c02c3a712d538",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "q-bio.CB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2009-07-12T21:10:49Z",
    "title_canon_sha256": "3f1df736014eb213b6a6ddca730237b482b8b572ee8d9b290dd28d1617315af1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2065",
    "kind": "arxiv",
    "version": 1
  }
}