Pith Number

pith:5VHE7QIF

pith:2017:5VHE7QIFGAVZHEETQZILN3C73O

not attested not anchored not stored refs pending

The angular momentum of cosmological coronae and the inside-out growth of spiral galaxies

Filippo Fraternali, Gabriele Pezzulli, James Binney

arxiv:1701.01442 v2 · 2017-01-05 · 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{5VHE7QIFGAVZHEETQZILN3C73O}

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	2026-05-18T00:52:30.664050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed4e4fc105302b9390938650b6ec5fdb8be090c7f58702ca3c04ad2b21de1abe

Aliases

arxiv: 1701.01442 · arxiv_version: 1701.01442v2 · doi: 10.48550/arxiv.1701.01442 · pith_short_12: 5VHE7QIFGAVZ · pith_short_16: 5VHE7QIFGAVZHEET · pith_short_8: 5VHE7QIF

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/5VHE7QIFGAVZHEETQZILN3C73O \
  | 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: ed4e4fc105302b9390938650b6ec5fdb8be090c7f58702ca3c04ad2b21de1abe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03e03bd7b29ee2295a50b61d55c0a775256fe3ff158a1ad1edf85f5bc35e235e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-05T19:00:02Z",
    "title_canon_sha256": "b023c5e7240a97adf51e0f3b894c94ded67718c172700e4aa5db67166a54db75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01442",
    "kind": "arxiv",
    "version": 2
  }
}