Pith Number

pith:5MP4JVYZ

pith:2025:5MP4JVYZRVJXGNMS2CIKPWMOVF

not attested not anchored not stored refs pending

Ground calibration plan for the Athena/X-IFU microcalorimeter spectrometer

Alexe\"i Molin, Aurora Simionescu, Christophe Daniel, Didier Barret, Edoardo Cucchetti, Etienne Pointecouteau, Fran\c{c}ois Pajot, Jan-Willem den Herder, Jelle de Plaa, Joern Wilms, Kosuke Sato, Lorenzo Natalucci, Luciano Gottardi, Luigi Piro, Marc Audard, Marco Barbera, Massimo Cappi, Matteo D'Andrea, Maurice Leutenegger, Megan E. Eckart, Philippe Ferrando, Philippe Peille, Roland den Hartog, Scott Porter, Simone Lotti, Sophie Beaumont, Vincent Albouys

arxiv:2507.01525 v3 · 2025-07-02 · 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{5MP4JVYZRVJXGNMS2CIKPWMOVF}

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	2026-06-19T16:11:11.735373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb1fc4d7198d53733592d090a7d98ea9712f945b90fa6862f130ea5db6871c56

Aliases

arxiv: 2507.01525 · arxiv_version: 2507.01525v3 · doi: 10.48550/arxiv.2507.01525 · pith_short_12: 5MP4JVYZRVJX · pith_short_16: 5MP4JVYZRVJXGNMS · pith_short_8: 5MP4JVYZ

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/5MP4JVYZRVJXGNMS2CIKPWMOVF \
  | 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: eb1fc4d7198d53733592d090a7d98ea9712f945b90fa6862f130ea5db6871c56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c29921ac5c644efe46140446135c579f228cb216dad0bb7d7e80157c6e93e04",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-07-02T09:29:50Z",
    "title_canon_sha256": "826b224d1d8d587ab868dec90c50f6f5d6d75f23e6edb0d8fdecf726c4a370da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01525",
    "kind": "arxiv",
    "version": 3
  }
}