Pith Number

pith:UO3UBOH2

pith:2025:UO3UBOH2CQFDHDE2FKDJVPOM4O

not attested not anchored not stored refs pending

25 years of XMM-Newton observations of the Sgr A complex: 3D distribution and internal structure of the clouds

F. Haardt, G. Ponti, G. Stel, M.C. Sormani

arxiv:2501.09737 v1 · 2025-01-16 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UO3UBOH2CQFDHDE2FKDJVPOM4O}

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	2026-07-05T10:23:59.768106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b740b8fa140a338c9a2a869abdcce394a976ae951aa394e1ce8f10f0c933f3

Aliases

arxiv: 2501.09737 · arxiv_version: 2501.09737v1 · doi: 10.48550/arxiv.2501.09737 · pith_short_12: UO3UBOH2CQFD · pith_short_16: UO3UBOH2CQFDHDE2 · pith_short_8: UO3UBOH2

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/UO3UBOH2CQFDHDE2FKDJVPOM4O \
  | 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: a3b740b8fa140a338c9a2a869abdcce394a976ae951aa394e1ce8f10f0c933f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c90ffe776850d187237e918a0add0926f3439bb6b47cdc62df89d0c155e44b9a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-16T18:42:03Z",
    "title_canon_sha256": "0bdcdeee887087d62715f14245b1eb3b6726e50f215cd67ca8c175b0ae12fc9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.09737",
    "kind": "arxiv",
    "version": 1
  }
}