Pith Number

pith:C57LHJAY

pith:2021:C57LHJAYLKD2VYDLIBSEAYDHQA

not attested not anchored not stored refs pending

Possible alterations of local gravitational field inside a superconductor

A. Gallerati, G. A. Ummarino

arxiv:2102.01489 v5 · 2021-02-02 · gr-qc · cond-mat.supr-con · hep-ph · hep-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{C57LHJAYLKD2VYDLIBSEAYDHQA}

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	2026-07-05T04:07:37.307381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

177eb3a4185a87aae06b4064406067802c4e665c1c861f5ac59f88671b672dae

Aliases

arxiv: 2102.01489 · arxiv_version: 2102.01489v5 · doi: 10.48550/arxiv.2102.01489 · pith_short_12: C57LHJAYLKD2 · pith_short_16: C57LHJAYLKD2VYDL · pith_short_8: C57LHJAY

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/C57LHJAYLKD2VYDLIBSEAYDHQA \
  | 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: 177eb3a4185a87aae06b4064406067802c4e665c1c861f5ac59f88671b672dae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b43163d5ce40d6163556997dc89d3143e4ef2d9541718f1b57e3a9e274da5b86",
    "cross_cats_sorted": [
      "cond-mat.supr-con",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-02-02T13:51:51Z",
    "title_canon_sha256": "b85bc82283285765482127dd46073460fc89f9cb536f111e79beb27b6c419707"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01489",
    "kind": "arxiv",
    "version": 5
  }
}