Pith Number

pith:HJMOFC4Z

pith:2004:HJMOFC4ZHUAHD3BJ4F3KJW6RYD

not attested not anchored not stored refs pending

ATHENA -- First Production of Cold Antihydrogen and Beyond

A. Fontana, A. Rotondi, ATHENA Collaboration: A. Kellerbauer, A. Variola, C. Amsler, C. Canali, C. Carraro, C. L. Cesar, C. Regenfus, D. Mitchard, D. P. Van der Werf, E. Lodi Rizzini, G. Bonomi, G. Manuzio, G. Testera, H. Pruys, I. Johnson, J. S. Hangst, L. Venturelli, L. V. J{\o}rgensen, M. Amoretti, M. C. Fujiwara, M. Charlton, M. Doser, M. Macr\'i, N. Madsen, N. Zurlo, P. D. Bowe, P. Genova, P. Montagna, R. Funakoshi, R. Landua, R. S. Hayano, V. Lagomarsino, Y. Yamazaki

arxiv:hep-ex/0409045 v2 · 2004-09-21 · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJMOFC4ZHUAHD3BJ4F3KJW6RYD}

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	2026-05-18T01:08:53.852099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a58e28b993d0071ec29e176a4dbd1c0c2e67623000e961efc81c1f77967020d

Aliases

arxiv: hep-ex/0409045 · arxiv_version: hep-ex/0409045v2 · doi: 10.48550/arxiv.hep-ex/0409045 · pith_short_12: HJMOFC4ZHUAH · pith_short_16: HJMOFC4ZHUAHD3BJ · pith_short_8: HJMOFC4Z

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/HJMOFC4ZHUAHD3BJ4F3KJW6RYD \
  | 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: 3a58e28b993d0071ec29e176a4dbd1c0c2e67623000e961efc81c1f77967020d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcbb22fddc2ec998edfd7c11c7c10c93c7abf2efd23eb5254f55774fb6682818",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2004-09-21T16:08:42Z",
    "title_canon_sha256": "0c25738a01440e0130b302f18f5c652dc30239e90e08083b42b86b42b058e5ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/0409045",
    "kind": "arxiv",
    "version": 2
  }
}