Pith Number

pith:UUUQT4J7

pith:2015:UUUQT4J7PCVO6QC26B56EHFQ2U

not attested not anchored not stored refs pending

Spin-axion coupling

Alexander B. Balakin, Vladimir A. Popov

arxiv:1509.06058 v2 · 2015-09-20 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUUQT4J7PCVO6QC26B56EHFQ2U}

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	2026-05-18T01:26:24.957358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a52909f13f78aaef405af07be21cb0d51be77f471803268cf40c46393fa16fdd

Aliases

arxiv: 1509.06058 · arxiv_version: 1509.06058v2 · doi: 10.48550/arxiv.1509.06058 · pith_short_12: UUUQT4J7PCVO · pith_short_16: UUUQT4J7PCVO6QC2 · pith_short_8: UUUQT4J7

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/UUUQT4J7PCVO6QC26B56EHFQ2U \
  | 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: a52909f13f78aaef405af07be21cb0d51be77f471803268cf40c46393fa16fdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d0f9bfe41c6766d2a96065d0c66f2b2f17094d66835ea8eab2ac6d5a8df83e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-20T21:13:25Z",
    "title_canon_sha256": "53e992ccc59032e09778ebbbadb5586c89dbe47e0785ad7babb97a25d7b9712a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06058",
    "kind": "arxiv",
    "version": 2
  }
}