Pith Number

pith:HGKZ6QWD

pith:2026:HGKZ6QWDZI6PKHS3POBDURHPOF

not attested not anchored not stored refs pending

Early Experiments on Macroscopic Quantum Tunneling

Willem den Boer

arxiv:2606.02770 v1 · 2026-06-01 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGKZ6QWDZI6PKHS3POBDURHPOF}

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	2026-06-03T01:05:21.341292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39959f42c3ca3cf51e5b7b823a44ef7177235ce8073d32fbc7e856f63a5498fa

Aliases

arxiv: 2606.02770 · arxiv_version: 2606.02770v1 · doi: 10.48550/arxiv.2606.02770 · pith_short_12: HGKZ6QWDZI6P · pith_short_16: HGKZ6QWDZI6PKHS3 · pith_short_8: HGKZ6QWD

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/HGKZ6QWDZI6PKHS3POBDURHPOF \
  | 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: 39959f42c3ca3cf51e5b7b823a44ef7177235ce8073d32fbc7e856f63a5498fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82b0237daf85f685993e8266430a85d20e66457fcec62d1db31d1b17696a60e2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2026-06-01T18:33:40Z",
    "title_canon_sha256": "0afbf13933177b71849e00e910886686850fcdb25048d06f594342a69e7a1ab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02770",
    "kind": "arxiv",
    "version": 1
  }
}