Pith Number

pith:2JZISLWU

pith:2021:2JZISLWUO247OKNO3NHLHU6N4I

not attested not anchored not stored refs pending

Limit on the Electric Charge of Antihydrogen

A. Capra, A.E. Charman, A. Gutierrez, A.I. Zhmoginov, A. Little, A. Olin, A. Povilus, C.A. Isaac, C. Amole, C.L. Cesar, C. So, D.M. Silveira, D.P. van der Werf, D.R. Gill, E. Butler, E. Sarid, F. Robicheaux, J. Fajans, J.S. Hangst, J.S. Wurtele, J.T.K. McKenna, K. Olchanski, L .Kurchaninov, M. Baquero-Ruiz, M.C. Fujiwara, M. Charlton, M.D. Ashkezari, M.E. Hayden, P. Nolan, P. Pusa, R.I. Thompson, S.C. Napoli, S. Eriksson, S. Jonsell, S. Menary, T.D. Tharp, T. Friesen, W. Bertsche, W.N. Hardy, Z. Vendeiro

arxiv:2107.08152 v1 · 2021-07-17 · physics.atom-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{2JZISLWUO247OKNO3NHLHU6N4I}

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	2026-07-05T02:58:45.960240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d272892ed476b9f729aedb4eb3d3cde2216a1319b311bbc5e6d2b52d33faaffb

Aliases

arxiv: 2107.08152 · arxiv_version: 2107.08152v1 · doi: 10.48550/arxiv.2107.08152 · pith_short_12: 2JZISLWUO247 · pith_short_16: 2JZISLWUO247OKNO · pith_short_8: 2JZISLWU

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/2JZISLWUO247OKNO3NHLHU6N4I \
  | 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: d272892ed476b9f729aedb4eb3d3cde2216a1319b311bbc5e6d2b52d33faaffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b7b0a76027f2934a7b2a7b098e729071c0a100c7a6d66cee5cd32734faf3106",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2021-07-17T00:51:22Z",
    "title_canon_sha256": "76d7cd728eea49562cf4751f53214d0016831f100a5d8d038b3b6e937f759498"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08152",
    "kind": "arxiv",
    "version": 1
  }
}