Pith Number

pith:4R6K5HS7

pith:2011:4R6K5HS7QBCSH2PDCQ3XULTFRL

not attested not anchored not stored refs pending

Confinement of antihydrogen for 1000 seconds

(10) University of Tokyo, (11) Stockholm University, (12) York University, (13) University of Liverpool, (14) Auburn University, (15) NRCN-Nuclear Research Center Negev, (16) RIKEN), (2) Simon Fraser University, (3) University of California, (4) Swansea University, (5) CERN, (6) Universidade Federal do Rio de Janeiro, 7), (7) University of Calgary, (8) TRIUMF, (9) University of British Columbia, A. Deller (4), A. Gutierrez (9), A.J. Humphries (4), ALPHA Collaboration: G.B. Andresen (1), A. Olin (8), Berkeley, CH-1211, C.L. Cesar (6), C.{\O}. Rasmussen (1), C. So (3), D.M. Silveira (16), D.P. van der Werf (4), D.R. Gill (8), E. Butler (5), E. Sarid (15), F. Robicheaux (14), J. Fajans (3), J.S. Hangst (1), J.S. Wurtele (3), J.W. Storey (8), K. Olchanski (8), L. Kurchaninov (8), M. Baquero-Ruiz (3), M.C. Fujiwara (8, M.D. Ashkezari (2), M.E. Hayden (2), N. Madsen (4), P. Nolan (13), P. Pusa (13), R. Hydomako (7), R.I. Thompson (7), R.S. Hayano (10), S. Eriksson (4), S. Jonsell (11), S. Kemp (5), S. Menary (12), T. Friesen (7), W. Bertsche (4), W.N. Hardy (9), Y. Yamazaki (16) ((1) Aarhus University

arxiv:1104.4982 v1 · 2011-04-26 · physics.atom-ph · hep-ex · hep-ph · nucl-ex · physics.plasm-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4R6K5HS7QBCSH2PDCQ3XULTFRL}

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	2026-05-18T04:15:16.246857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e47cae9e5f804523e9e314377a2e658ac85fc02228eb0fb4bc95c6c9d051de18

Aliases

arxiv: 1104.4982 · arxiv_version: 1104.4982v1 · doi: 10.48550/arxiv.1104.4982 · pith_short_12: 4R6K5HS7QBCS · pith_short_16: 4R6K5HS7QBCSH2PD · pith_short_8: 4R6K5HS7

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/4R6K5HS7QBCSH2PDCQ3XULTFRL \
  | 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: e47cae9e5f804523e9e314377a2e658ac85fc02228eb0fb4bc95c6c9d051de18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a176ecf7e572b969bb339277603d7cad4791173931aab437338780abff8c2deb",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-ph",
      "nucl-ex",
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2011-04-26T17:57:21Z",
    "title_canon_sha256": "615a9c3efdd74e255ec9bedcb142e5fffc9172a48f9df02128c431ea82a9084a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4982",
    "kind": "arxiv",
    "version": 1
  }
}