Pith Number

pith:GULHG3BU

pith:2026:GULHG3BUYFIOZFROPZATEBJ3R3

not attested not anchored not stored refs pending

The $^{229}$Th Isomer: Nuclear Structure, Clocks, and Tests of Fundamental Physics

Rui Zhao, Shan-Gui Zhou, Xiao Lu

arxiv:2606.26600 v1 · 2026-06-25 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GULHG3BUYFIOZFROPZATEBJ3R3}

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	2026-06-26T01:15:35.925230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3516736c34c150ec962e7e4132053b8eeab80cdafbb6dddfd2b84ff16e1d6ef2

Aliases

arxiv: 2606.26600 · arxiv_version: 2606.26600v1 · doi: 10.48550/arxiv.2606.26600 · pith_short_12: GULHG3BUYFIO · pith_short_16: GULHG3BUYFIOZFRO · pith_short_8: GULHG3BU

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/GULHG3BUYFIOZFROPZATEBJ3R3 \
  | 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: 3516736c34c150ec962e7e4132053b8eeab80cdafbb6dddfd2b84ff16e1d6ef2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d087eb56148a2e7ef5d02763cf21a15514a9d6c96565f727ccf91f3ec04699",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2026-06-25T04:58:56Z",
    "title_canon_sha256": "fb4890d7c8f6b41db6cfc75eb5845334dae5bc608d76753c7e24e5d68535508e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26600",
    "kind": "arxiv",
    "version": 1
  }
}