Pith Number

pith:7Y3UMLGK

pith:2015:7Y3UMLGKG57GUMTGDIEBQ6GUYN

not attested not anchored not stored refs pending

Spin Flips - II. Evolution of dark matter halo spin orientation, and its correlation with major mergers

Carlos S. Frenk, Philip E. Bett

arxiv:1510.01711 v2 · 2015-10-06 · 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{7Y3UMLGKG57GUMTGDIEBQ6GUYN}

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	2026-05-18T01:11:33.343160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe37462cca377e6a32661a081878d4c36fd8919bf22f167e9ab4ff42ad78e69b

Aliases

arxiv: 1510.01711 · arxiv_version: 1510.01711v2 · doi: 10.48550/arxiv.1510.01711 · pith_short_12: 7Y3UMLGKG57G · pith_short_16: 7Y3UMLGKG57GUMTG · pith_short_8: 7Y3UMLGK

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/7Y3UMLGKG57GUMTGDIEBQ6GUYN \
  | 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: fe37462cca377e6a32661a081878d4c36fd8919bf22f167e9ab4ff42ad78e69b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f34df73f3f2fdbec9111b4421968a35701e45b14e2335f86c65711379cea42d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-06T19:23:43Z",
    "title_canon_sha256": "a1928ab672bd5f5b6b32d376808119e686138719b05b046b06339635f5179042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01711",
    "kind": "arxiv",
    "version": 2
  }
}