Pith Number

pith:P263SWLP

pith:2020:P263SWLPERX4BFIK7AZ5J3SEII

not attested not anchored not stored refs pending

Constraining Einstein's Equivalence Principle With Multi-Wavelength Polarized astrophysical Sources

Jun-Jie Wei, Qi-Qi Zhou, Shuang-Xi Yi, Yuan-Chuan Zou

arxiv:2009.00754 v1 · 2020-09-02 · astro-ph.HE · 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{P263SWLPERX4BFIK7AZ5J3SEII}

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	2026-07-05T01:39:05.899216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ebdb9596f246fc0950af833d4ee44423195912e19b8f81768cc6cc454a9240d

Aliases

arxiv: 2009.00754 · arxiv_version: 2009.00754v1 · doi: 10.48550/arxiv.2009.00754 · pith_short_12: P263SWLPERX4 · pith_short_16: P263SWLPERX4BFIK · pith_short_8: P263SWLP

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/P263SWLPERX4BFIK7AZ5J3SEII \
  | 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: 7ebdb9596f246fc0950af833d4ee44423195912e19b8f81768cc6cc454a9240d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4423baa74651fc3c7bf132d664b569a4a84d4388f79a77bc06e496a2d5dbcd3e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-09-02T00:05:03Z",
    "title_canon_sha256": "4037c35409ebbf1f1c6256894ebdcbf708beaff45b9c0cea1d93e3306c1a7f57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.00754",
    "kind": "arxiv",
    "version": 1
  }
}