Pith Number

pith:XBXWTHLL

pith:2023:XBXWTHLLUUK7M3UFFHIPJUY6SX

not attested not anchored not stored refs pending

Constraints on the velocity of gravitational waves from NANOGrav 15-year data set

Qing-Guo Huang, Yan-Chen Bi, Yu-Mei Wu, Zu-Cheng Chen

arxiv:2310.08366 v1 · 2023-10-12 · astro-ph.CO · 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{XBXWTHLLUUK7M3UFFHIPJUY6SX}

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	2026-07-05T10:39:58.949410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b86f699d6ba515f66e8529d0f4d31e95f944f35844edafa6ec8cdd04b4bcf001

Aliases

arxiv: 2310.08366 · arxiv_version: 2310.08366v1 · doi: 10.48550/arxiv.2310.08366 · pith_short_12: XBXWTHLLUUK7 · pith_short_16: XBXWTHLLUUK7M3UF · pith_short_8: XBXWTHLL

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/XBXWTHLLUUK7M3UFFHIPJUY6SX \
  | 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: b86f699d6ba515f66e8529d0f4d31e95f944f35844edafa6ec8cdd04b4bcf001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22778a8e4f3c7e7b1348723342123d7364049f9dc9e75c7e83adca66bce835b8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-10-12T14:38:09Z",
    "title_canon_sha256": "d49614e9e8c14de0270f914a86ee8257e5a65fc6811081658bfa6de924158a1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.08366",
    "kind": "arxiv",
    "version": 1
  }
}