Pith Number

pith:IRX36HTM

pith:2025:IRX36HTMXGLQLHIEMY6FQ746DJ

not attested not anchored not stored refs pending

A Novel Calibration and Imaging Method for ALMA Observations of SgrA*

Alejandro Mus, Ciriaco Goddi, Ezequiel Albentosa-Ruiz, Iv\'an Mart\'i-Vidal

arxiv:2503.11258 v2 · 2025-03-14 · 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{IRX36HTMXGLQLHIEMY6FQ746DJ}

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	2026-07-05T10:59:28.052189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

446fbf1e6cb997059d04663c587f9e1a748e319ddbb1f8a662bb500d2c88c45e

Aliases

arxiv: 2503.11258 · arxiv_version: 2503.11258v2 · doi: 10.48550/arxiv.2503.11258 · pith_short_12: IRX36HTMXGLQ · pith_short_16: IRX36HTMXGLQLHIE · pith_short_8: IRX36HTM

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/IRX36HTMXGLQLHIEMY6FQ746DJ \
  | 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: 446fbf1e6cb997059d04663c587f9e1a748e319ddbb1f8a662bb500d2c88c45e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aef10bff6dabacc612dd7191d1254c01636a18f01a6243fe45c2ddc8556a98a1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-03-14T10:09:07Z",
    "title_canon_sha256": "7cd4141abb6db55632c80efd41f42ed02a65ead52fff2d86c9448dd930c614ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.11258",
    "kind": "arxiv",
    "version": 2
  }
}