Pith Number

pith:HFA6K766

pith:2016:HFA6K7666F3OW3MZMTFEFKIW2J

not attested not anchored not stored refs pending

Formation of Andromeda II via a gas-rich major merger and an interaction with M31

Andres del Pino, Ewa L. Lokas, Ivana Ebrova, Sylvain Fouquet

arxiv:1606.09259 v3 · 2016-06-29 · 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{HFA6K7666F3OW3MZMTFEFKIW2J}

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	2026-05-18T01:02:38.459909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3941e57fdef176eb6d9964ca42a916d2434c33e1b8c6172075a13e67e7aa19bb

Aliases

arxiv: 1606.09259 · arxiv_version: 1606.09259v3 · doi: 10.48550/arxiv.1606.09259 · pith_short_12: HFA6K7666F3O · pith_short_16: HFA6K7666F3OW3MZ · pith_short_8: HFA6K766

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/HFA6K7666F3OW3MZMTFEFKIW2J \
  | 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: 3941e57fdef176eb6d9964ca42a916d2434c33e1b8c6172075a13e67e7aa19bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ecdbd8046daae2f2a31823867cc9c20231494ecf1cb6b93c994e16191367c66",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-06-29T20:00:11Z",
    "title_canon_sha256": "dd80ee7ab097bb79f353715b01a171371fb1e119067ea7bb52b5c3f833936a1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.09259",
    "kind": "arxiv",
    "version": 3
  }
}