Pith Number

pith:7GTVON6A

pith:2015:7GTVON6AKDO4OECPKCUSQOGYYO

not attested not anchored not stored refs pending

Outer regions of the merging system Arp 270

A. Saburova, A. Zasov, I. Katkov, O. Egorov, V. Afanasiev

arxiv:1503.05220 v1 · 2015-03-17 · 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{7GTVON6AKDO4OECPKCUSQOGYYO}

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	2026-05-18T01:40:50.397714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9a75737c050ddc7104f50a92838d8c389a1e8fd8748fe35ae61b03af52a94a6

Aliases

arxiv: 1503.05220 · arxiv_version: 1503.05220v1 · doi: 10.48550/arxiv.1503.05220 · pith_short_12: 7GTVON6AKDO4 · pith_short_16: 7GTVON6AKDO4OECP · pith_short_8: 7GTVON6A

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/7GTVON6AKDO4OECPKCUSQOGYYO \
  | 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: f9a75737c050ddc7104f50a92838d8c389a1e8fd8748fe35ae61b03af52a94a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32b7933fbdae78cb6bc71185ccef4743deaa99b805b3067df7954b4a96a752ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-17T21:04:59Z",
    "title_canon_sha256": "f4415f6115e6e64994d5217be78e4bd2a9b5783659789f14efb5855d575a1afb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05220",
    "kind": "arxiv",
    "version": 1
  }
}