Pith Number

pith:F4P4IQBS

pith:2021:F4P4IQBSCDD6QIQ3VJJELIXC3H

not attested not anchored not stored refs pending

Polarimetric properties of Event Horizon Telescope targets from ALMA

Adam Ingram, A. Gopakumar, Angelo Ricarte, Antonio Hernandez-Gomez, Antonios Nathanail, Avery E. Broderick, Ciriaco Goddi, C. M. Violette Impellizzeri, Daniel P. Marrone, Eduardo Ros, Florian Rosch, Gabriele Bruni, Geoffrey B. Crew, Geoffrey C. Bower, Hiroshi Nagai, Hugo Messias, Ivan Marti-Vidal, Jason Dexter, Jose L. Gomez, Juan Carlos Algaba, Keiichi Asada, Lynn D. Matthews, Manel Perucho, Matthias Kadler, Mauri Valtonen, Michael Janssen, Monika Moscibrodzka, Rocco Lico, Ruben Herrero-Illana, S. Komossa, The Event Horizon Telescope Collaboration, Thomas P. Krichbaum, Y. Y. Kovalev Dirk Muders, Ziri Younsi

arxiv:2105.02272 v1 · 2021-05-05 · astro-ph.GA · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F4P4IQBSCDD6QIQ3VJJELIXC3H}

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	2026-07-05T02:37:59.867459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1fc4403210c7e8221baa5245a2e2d9d0f7ece8751fb71c01d7bd794c3894ce

Aliases

arxiv: 2105.02272 · arxiv_version: 2105.02272v1 · doi: 10.48550/arxiv.2105.02272 · pith_short_12: F4P4IQBSCDD6 · pith_short_16: F4P4IQBSCDD6QIQ3 · pith_short_8: F4P4IQBS

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/F4P4IQBSCDD6QIQ3VJJELIXC3H \
  | 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: 2f1fc4403210c7e8221baa5245a2e2d9d0f7ece8751fb71c01d7bd794c3894ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b89cd20a44780b1e9a94e7f0013955f9a97513e2fcf8fee910ff20fca0e6e928",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-05-05T18:34:59Z",
    "title_canon_sha256": "fa18775b72fb70d76020d7c3244dd31aad9d78728b1c31b13f2b15c9b765e19c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02272",
    "kind": "arxiv",
    "version": 1
  }
}