Pith Number

pith:F4M7RYXH

pith:2021:F4M7RYXH423JW36LHQAGLDCDNG

not attested not anchored not stored refs pending

The IXPE Instrument Calibration Equipment

Ajay Ratheesh, Alda Rubini, Alessandro Di Marco, Alessio Trois, Alfredo Morbidini, Antonino Tobia, Carlo Lefevre, Daniele Brienza, Emanuele Scalise, Enrico Costa, Ettore Del Monte, Fabio La Monaca, Fabio Muleri, Fabrizio Amici, Fei Xie, Francesco Santoli, Giuseppe Di Persio, John Rankin, Matteo Bachetti, Matteo Perri, Maura Pilia, Mauro Centrone, Paolo Soffitta, Pasqualino Loffredo, Primo Attin\`a, Raffaele Piazzolla, Riccardo Ferrazzoli, Sergio Di Cosimo, Sergio Fabiani, Simonetta Puccetti, Yuri Evangelista

arxiv:2111.02066 v1 · 2021-11-03 · astro-ph.IM · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F4M7RYXH423JW36LHQAGLDCDNG}

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

Detectability of Magnetar-Induced Vacuum Birefringence with IXPE and eXTP

Receipt and verification

First computed	2026-07-05T03:28:47.087165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f19f8e2e7e6b69b6fcb3c00658c43699ca667df182d67877d628ca4cf24005d

Aliases

arxiv: 2111.02066 · arxiv_version: 2111.02066v1 · doi: 10.48550/arxiv.2111.02066 · pith_short_12: F4M7RYXH423J · pith_short_16: F4M7RYXH423JW36L · pith_short_8: F4M7RYXH

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/F4M7RYXH423JW36LHQAGLDCDNG \
  | 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: 2f19f8e2e7e6b69b6fcb3c00658c43699ca667df182d67877d628ca4cf24005d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abbd06cd3b146dff8d3dd9cbedd71044aa6597eafa2251eb5fb1c2c6d1db6fe7",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-11-03T08:33:23Z",
    "title_canon_sha256": "08bc96e5b78c00c1bdd571af133b373050b8da4b79d36841a9366baef5acce62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.02066",
    "kind": "arxiv",
    "version": 1
  }
}