pith. sign in
Pith Number

pith:RL2YPK3Q

pith:2011:RL2YPK3QUWKWXIMK3KAUAWG3KT
not attested not anchored not stored refs pending

Exclusive photon-photon production of muon pairs in proton-proton collisions at sqrt(s) = 7 TeV

CMS Collaboration

arxiv:1111.5536 v2 · 2011-11-23 · hep-ex

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RL2YPK3QUWKWXIMK3KAUAWG3KT}

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 2026-05-18T03:47:53.443194Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8af587ab70a5956ba18ada814058db54f99f1cea2faf3e7647e7c7ff5dbbeab3

Aliases

arxiv: 1111.5536 · arxiv_version: 1111.5536v2 · doi: 10.48550/arxiv.1111.5536 · pith_short_12: RL2YPK3QUWKW · pith_short_16: RL2YPK3QUWKWXIMK · pith_short_8: RL2YPK3Q
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RL2YPK3QUWKWXIMK3KAUAWG3KT \
  | 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: 8af587ab70a5956ba18ada814058db54f99f1cea2faf3e7647e7c7ff5dbbeab3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a7350f54d8419d5f22e7277f560099b36b86ba16a336bb1f8c8e4f881b5c0175",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2011-11-23T16:08:16Z",
    "title_canon_sha256": "29492195415807c264bcca2948b77e36ec72e4a66a9371d5071fb2e04216089c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5536",
    "kind": "arxiv",
    "version": 2
  }
}