Pith Number

pith:UHT3WESJ

pith:2016:UHT3WESJIQFT2ZD263AW2VFVYK

not attested not anchored not stored refs pending

Ages of massive galaxies at $0.5 < z < 2.0$ from 3D-HST rest-frame optical spectroscopy

Britt Lundgren, Erica Nelson, Gabriel Brammer, Hans-Walter Rix, Ivelina Momcheva, Ivo Labb\'e, Katherine E. Whitaker, Marijn Franx, Mariska Kriek, Mattia Fumagalli, Michael Maseda, Pieter van Dokkum, Rosalind E. Skelton

arxiv:1603.02689 v1 · 2016-03-08 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHT3WESJIQFT2ZD263AW2VFVYK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:15:41.890558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1e7bb1249440b3d647af6c16d54b5c2a3ab7ff7e5ed68be6336df778b56bc38

Aliases

arxiv: 1603.02689 · arxiv_version: 1603.02689v1 · doi: 10.48550/arxiv.1603.02689 · pith_short_12: UHT3WESJIQFT · pith_short_16: UHT3WESJIQFT2ZD2 · pith_short_8: UHT3WESJ

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/UHT3WESJIQFT2ZD263AW2VFVYK \
  | 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: a1e7bb1249440b3d647af6c16d54b5c2a3ab7ff7e5ed68be6336df778b56bc38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0850a134944c93f9f18f7dd2cb77b3a8417fa013b37978e48fe545a33e8cdfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-08T21:00:07Z",
    "title_canon_sha256": "a5f5d0bd92533dc4a571a7b67b11dc3f33da229b644fc28e1fc0f448ed94cc25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02689",
    "kind": "arxiv",
    "version": 1
  }
}