Pith Number

pith:DFJ2SJEK

pith:2020:DFJ2SJEKB2I3UPAX6J2GKF4CFU

not attested not anchored not stored refs pending

Flat Rotation Curves of $z\sim 1$ Star-Forming Galaxies and Evidence of Disk-Scale Length Evolution

Andrea Lapi, C. M. Harrison, Gauri Sharma, Glenn van de Ven, Paolo Salucci

arxiv:2005.00279 v2 · 2020-05-01 · 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{DFJ2SJEKB2I3UPAX6J2GKF4CFU}

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	2026-07-05T02:27:20.502129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1953a9248a0e91ba3c17f2746517822d10804636db11abca5272679515130b19

Aliases

arxiv: 2005.00279 · arxiv_version: 2005.00279v2 · doi: 10.48550/arxiv.2005.00279 · pith_short_12: DFJ2SJEKB2I3 · pith_short_16: DFJ2SJEKB2I3UPAX · pith_short_8: DFJ2SJEK

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/DFJ2SJEKB2I3UPAX6J2GKF4CFU \
  | 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: 1953a9248a0e91ba3c17f2746517822d10804636db11abca5272679515130b19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8e10cb9d94fa3048474e7006ef12c93aed87633b1d073da06bb37c59c881cfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-05-01T09:23:21Z",
    "title_canon_sha256": "1d85726dbc307991477173dc4e3a5451a5325959330bdee22ae4da60b79826b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.00279",
    "kind": "arxiv",
    "version": 2
  }
}