Pith Number

pith:X5MKJ4MP

pith:2020:X5MKJ4MPVELMIDEWFTMNW5QBAY

not attested not anchored not stored refs pending

Variable structures in M87* from space, time and frequency resolved interferometry

Jakob Knollm\"uller, Martin Reinecke, Philipp Arras, Philipp Frank, Philipp Haim, Reimar Leike, Torsten En{\ss}lin

arxiv:2002.05218 v5 · 2020-02-12 · 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{X5MKJ4MPVELMIDEWFTMNW5QBAY}

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.

Cited by

1 paper in Pith

VAPOLA -- A multi-year, multi-band polarization survey of AGN and Sgr A* at mm wavelengths with ALMA I. Survey Overview and Science-Ready Archival Products

Receipt and verification

First computed	2026-07-05T04:29:06.695569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf58a4f18fa916c40c962cd8db7601061d519a8dfd0df85709cf9ffa4f4ef467

Aliases

arxiv: 2002.05218 · arxiv_version: 2002.05218v5 · doi: 10.48550/arxiv.2002.05218 · pith_short_12: X5MKJ4MPVELM · pith_short_16: X5MKJ4MPVELMIDEW · pith_short_8: X5MKJ4MP

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/X5MKJ4MPVELMIDEWFTMNW5QBAY \
  | 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: bf58a4f18fa916c40c962cd8db7601061d519a8dfd0df85709cf9ffa4f4ef467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "842e222d480f83bccaa11c8f8073c051418e557c897884dbe0e905a3ca5af2c5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-02-12T20:21:16Z",
    "title_canon_sha256": "cdc62962624d0018bdecda728c8d2ee798bb14c13d0d8046bdf52510fe0108f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.05218",
    "kind": "arxiv",
    "version": 5
  }
}