Pith Number

pith:5O7P4BSP

pith:2021:5O7P4BSP6YCI5KAWGV7YEGIN75

not attested not anchored not stored refs pending

The Deviation of the Broad-line Region Size Between Reverberation Mapping and Spectroastrometry

Hengxiao Guo, Tinggui Wang, Xiaer Zhang, Zhicheng He

arxiv:2104.11417 v2 · 2021-04-23 · astro-ph.GA · 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{5O7P4BSP6YCI5KAWGV7YEGIN75}

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	2026-07-05T02:52:16.142647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebbefe064ff6048ea816357f82190dff4c85da8b0a88aa0045b3ba6a5e55b6f0

Aliases

arxiv: 2104.11417 · arxiv_version: 2104.11417v2 · doi: 10.48550/arxiv.2104.11417 · pith_short_12: 5O7P4BSP6YCI · pith_short_16: 5O7P4BSP6YCI5KAW · pith_short_8: 5O7P4BSP

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/5O7P4BSP6YCI5KAWGV7YEGIN75 \
  | 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: ebbefe064ff6048ea816357f82190dff4c85da8b0a88aa0045b3ba6a5e55b6f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d6317df431bd0c8ded0df8c37c7eb94747702a227d1065bb75a1ca1712cb1a7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-23T05:18:50Z",
    "title_canon_sha256": "62df552cc1c127adfe294e08985926ba3df300090c3fb64201a492f1a6b53703"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11417",
    "kind": "arxiv",
    "version": 2
  }
}