Pith Number

pith:I42VPDKF

pith:2017:I42VPDKFTVZ7OHA6UIW4GFYGTN

not attested not anchored not stored refs pending

A comparison of the most massive quiescent galaxies from $z \sim 3$ to the present: slow evolution in size, and spheroid-dominated

2), (2) Pomona College, (3) Texas A&M, (4) UCO/Lick, 5) ((1) Carnegie Observatories, (5) Uber), Bradford P. Holden (4), Rik J. Williams (1, Ryan F. Quadri (3), Shannon G. Patel (1), Yu Xuan Hong (1

arxiv:1704.01969 v1 · 2017-04-06 · 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{I42VPDKFTVZ7OHA6UIW4GFYGTN}

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	2026-05-18T00:45:10.762918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4735578d459d73f71c1ea22dc317069b6f05274d0c381848ee4aadbada3d3d0f

Aliases

arxiv: 1704.01969 · arxiv_version: 1704.01969v1 · doi: 10.48550/arxiv.1704.01969 · pith_short_12: I42VPDKFTVZ7 · pith_short_16: I42VPDKFTVZ7OHA6 · pith_short_8: I42VPDKF

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/I42VPDKFTVZ7OHA6UIW4GFYGTN \
  | 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: 4735578d459d73f71c1ea22dc317069b6f05274d0c381848ee4aadbada3d3d0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ac4ad7036b23619a760ad28ae6a0e464e4646c93a84a68a3585e291ab89f9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-04-06T18:00:04Z",
    "title_canon_sha256": "6d036f6a09f4c729dcaf9f18f82a19fa733a93dd4b04ec00f83908cb22385dd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01969",
    "kind": "arxiv",
    "version": 1
  }
}