Pith Number

pith:554P73H6

pith:2011:554P73H6I6S562EZTFDDLWUJTN

not attested not anchored not stored refs pending

Can a Satellite Galaxy Merger Explain the Active Past of the Galactic Center?

Alberto Sesana, Kelly Holley-Bockelmann, Manodeep Sinha, Meagan Lang, Pau Amaro-Seoane, Tamara Bogdanovic

arxiv:1107.2923 v2 · 2011-07-14 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{554P73H6I6S562EZTFDDLWUJTN}

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	2026-05-18T01:19:48.954976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef78ffecfe47a5df6899994635da899b72304b3a96785ae66ca8663a033467ce

Aliases

arxiv: 1107.2923 · arxiv_version: 1107.2923v2 · doi: 10.48550/arxiv.1107.2923 · pith_short_12: 554P73H6I6S5 · pith_short_16: 554P73H6I6S562EZ · pith_short_8: 554P73H6

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/554P73H6I6S562EZTFDDLWUJTN \
  | 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: ef78ffecfe47a5df6899994635da899b72304b3a96785ae66ca8663a033467ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1389d84fd4c10db99656aa63c89a0ea9846449521d093b525421c4dd4ea829f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-07-14T20:00:02Z",
    "title_canon_sha256": "dfefd1c24404679edc5065466b313acb326119db46f78660816174dce3c3e427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2923",
    "kind": "arxiv",
    "version": 2
  }
}