Pith Number

pith:7KLLOBKW

pith:2017:7KLLOBKWMWF6YW5LGNBT4OABLF

not attested not anchored not stored refs pending

Testing the anisotropy of the Universe with the distance duality relation

Hai-Nan Lin, Li Tang, Xin Li

arxiv:1707.00390 v2 · 2017-07-03 · 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{7KLLOBKWMWF6YW5LGNBT4OABLF}

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	2026-05-18T00:00:31.041740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa96b70556658bec5bab33433e38015949c0a2865f2e6002651a18da1b1aba25

Aliases

arxiv: 1707.00390 · arxiv_version: 1707.00390v2 · doi: 10.48550/arxiv.1707.00390 · pith_short_12: 7KLLOBKWMWF6 · pith_short_16: 7KLLOBKWMWF6YW5L · pith_short_8: 7KLLOBKW

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/7KLLOBKWMWF6YW5LGNBT4OABLF \
  | 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: fa96b70556658bec5bab33433e38015949c0a2865f2e6002651a18da1b1aba25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "105f2ae39905428b13297f93d3d515c3dbb9c15170abc9644e3e19773f841639",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-07-03T03:42:36Z",
    "title_canon_sha256": "dab070884bed2f1451db7828ed7eff7417a79ecf6966de01123f74a834a2af44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00390",
    "kind": "arxiv",
    "version": 2
  }
}