Pith Number

pith:RV4IRH4F

pith:2010:RV4IRH4FWRTQQGDH4DJJU4CLBR

not attested not anchored not stored refs pending

A past capture event at Sagittarius A* inferred from the fluorescent X-ray emission of Sagittarius B clouds

D. O. Chernyshov, K. S. Cheng, V. A. Dogiel, Yun-Wei Yu

arxiv:1010.1312 v1 · 2010-10-07 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RV4IRH4FWRTQQGDH4DJJU4CLBR}

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	2026-05-18T03:51:25.803718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d78889f85b467081867e0d29a704b0c6367f2366a5076bef942e802b4095897

Aliases

arxiv: 1010.1312 · arxiv_version: 1010.1312v1 · doi: 10.48550/arxiv.1010.1312 · pith_short_12: RV4IRH4FWRTQ · pith_short_16: RV4IRH4FWRTQQGDH · pith_short_8: RV4IRH4F

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/RV4IRH4FWRTQQGDH4DJJU4CLBR \
  | 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: 8d78889f85b467081867e0d29a704b0c6367f2366a5076bef942e802b4095897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "727d15add146039bd540d410422ba789487a984cf5c5eeae352892181f060254",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-10-07T01:52:51Z",
    "title_canon_sha256": "4167e7bece672504a75b877d9e6f4358fee5718e0572538b689a90c82b8e2a9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1312",
    "kind": "arxiv",
    "version": 1
  }
}