Pith Number

pith:PEU7DOWV

pith:2020:PEU7DOWVBSI3FGWZCQSH2K2NZ7

not attested not anchored not stored refs pending

Cloud-Cloud Collision in the Galactic Center Arc

Atsushi Miyazaki, Kenta Uehara, Makoto Miyoshi, Masato Tsuboi, Ryosuke Miyawaki, Takahiro Tsutsumi, Yoshimi Kitamura

arxiv:2009.11461 v1 · 2020-09-24 · 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{PEU7DOWVBSI3FGWZCQSH2K2NZ7}

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	2026-07-05T01:47:07.857720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7929f1bad50c91b29ad914247d2b4dcfe73affb6dedfbd767c303da0d3625881

Aliases

arxiv: 2009.11461 · arxiv_version: 2009.11461v1 · doi: 10.48550/arxiv.2009.11461 · pith_short_12: PEU7DOWVBSI3 · pith_short_16: PEU7DOWVBSI3FGWZ · pith_short_8: PEU7DOWV

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/PEU7DOWVBSI3FGWZCQSH2K2NZ7 \
  | 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: 7929f1bad50c91b29ad914247d2b4dcfe73affb6dedfbd767c303da0d3625881

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21315b1f747a8ac3c466189a00233ad89ed3359038b0197ac3e0b522dfc74c10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-24T03:16:01Z",
    "title_canon_sha256": "58b48370b3aa4966c5c2ef47d80d91f8b230d084954bda5ba70b4f7b9ed2a2f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.11461",
    "kind": "arxiv",
    "version": 1
  }
}