Pith Number

pith:MMGELTTH

pith:2021:MMGELTTHPBN2VJ5FYINTXJZ7MS

not attested not anchored not stored refs pending

Observable quality assessment of broadband very long baseline interferometry system

Guang L. Wang, Harald Schuh, James M. Anderson, Ming H. Xu, Robert Heinkelmann, Susanne Lunz

arxiv:2102.12750 v1 · 2021-02-25 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMGELTTHPBN2VJ5FYINTXJZ7MS}

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	2026-07-05T02:35:38.922733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

630c45ce67785baaa7a5c21b3ba73f64805ad112ca5f4a2e4316b544c508bf54

Aliases

arxiv: 2102.12750 · arxiv_version: 2102.12750v1 · doi: 10.48550/arxiv.2102.12750 · pith_short_12: MMGELTTHPBN2 · pith_short_16: MMGELTTHPBN2VJ5F · pith_short_8: MMGELTTH

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/MMGELTTHPBN2VJ5FYINTXJZ7MS \
  | 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: 630c45ce67785baaa7a5c21b3ba73f64805ad112ca5f4a2e4316b544c508bf54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6697ba4f0544c3bb6a79b1835368f80b58f8a94a9c38a9725a123c1d54dc74d7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-02-25T09:33:52Z",
    "title_canon_sha256": "4136a95b7b68dea661379d02cfbbf45e31ea4e0dbae708346a973ae087a8e762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12750",
    "kind": "arxiv",
    "version": 1
  }
}