Pith Number

pith:WPHLM3BM

pith:2020:WPHLM3BMJHQPRBMKIKQJYRMR34

not attested not anchored not stored refs pending

Measuring the gravitomagnetic distortion from rotating halos I: methods

Chengfeng Tang, Nan Li, Pierre Zhang, Shi Pi, Wentao Luo, Yi-Fu Cai

arxiv:2009.12011 v2 · 2020-09-25 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPHLM3BMJHQPRBMKIKQJYRMR34}

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	2026-07-05T02:33:20.589033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3ceb66c2c49e0f8858a42a09c4591df3805b1fb8f637d547cd9e400bcd7799f

Aliases

arxiv: 2009.12011 · arxiv_version: 2009.12011v2 · doi: 10.48550/arxiv.2009.12011 · pith_short_12: WPHLM3BMJHQP · pith_short_16: WPHLM3BMJHQPRBMK · pith_short_8: WPHLM3BM

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/WPHLM3BMJHQPRBMKIKQJYRMR34 \
  | 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: b3ceb66c2c49e0f8858a42a09c4591df3805b1fb8f637d547cd9e400bcd7799f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d830ec6bdc60969ce551ecfe979545cc95494c79a9048ad1287117d842ad3da1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-09-25T03:15:10Z",
    "title_canon_sha256": "cca24a39bf09839e5ebd35b86f6e5712fde48ada0ab7ecbebbd44d7b9cda15f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12011",
    "kind": "arxiv",
    "version": 2
  }
}