Pith Number

pith:HVJRCBTL

pith:2022:HVJRCBTLU7NZANN23NZ5ZHYYWR

not attested not anchored not stored refs pending

Solar system constraints of a polymer black hole in loop quantum gravity

Xiang-Dong Zhang, Yun-Long Liu, Zhao-Qing Feng

arxiv:2201.10202 v2 · 2022-01-25 · 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{HVJRCBTLU7NZANN23NZ5ZHYYWR}

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	2026-07-05T04:18:50.851083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d5311066ba7db9035badb73dc9f18b45f5ef3423b5b094e4b808f4f0ce408c3

Aliases

arxiv: 2201.10202 · arxiv_version: 2201.10202v2 · doi: 10.48550/arxiv.2201.10202 · pith_short_12: HVJRCBTLU7NZ · pith_short_16: HVJRCBTLU7NZANN2 · pith_short_8: HVJRCBTL

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/HVJRCBTLU7NZANN23NZ5ZHYYWR \
  | 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: 3d5311066ba7db9035badb73dc9f18b45f5ef3423b5b094e4b808f4f0ce408c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2034bcb0bb65c52dce7eb73a08d606017bda04fa1d87f5fef126b0a80577704",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-01-25T09:34:08Z",
    "title_canon_sha256": "4ef050247db5cb92fe27038611cfb2cd70b88e8d91cbe408332dcecd0ecab72d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.10202",
    "kind": "arxiv",
    "version": 2
  }
}