Pith Number

pith:FLSX2Y5N

pith:2019:FLSX2Y5NUO2C6ASYTSS6H34XYC

not attested not anchored not stored refs pending

A Census of Sub-kiloparsec Resolution Metallicity Gradients in Star-forming Galaxies at Cosmic Noon from HST Slitless Spectroscopy

Alaina L. Henry, Benedetta Vulcani, Emanuele Daddi, Gabriel B. Brammer, Harry I. Teplitz, James W. Colbert, Kasper B. Schmidt, Keren Sharon, Louis E. Abramson, Matthew A. Malkan, Philip F. Hopkins, Takahiro Morishita, Tommaso Treu, Tucker A. Jones, Xin Wang

arxiv:1911.09841 v2 · 2019-11-22 · 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{FLSX2Y5NUO2C6ASYTSS6H34XYC}

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	2026-07-05T01:35:44.195507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ae57d63ada3b42f02589ca5e3ef97c0b9e9176a26ee06d9bd589c6b1b19e8ea

Aliases

arxiv: 1911.09841 · arxiv_version: 1911.09841v2 · doi: 10.48550/arxiv.1911.09841 · pith_short_12: FLSX2Y5NUO2C · pith_short_16: FLSX2Y5NUO2C6ASY · pith_short_8: FLSX2Y5N

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/FLSX2Y5NUO2C6ASYTSS6H34XYC \
  | 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: 2ae57d63ada3b42f02589ca5e3ef97c0b9e9176a26ee06d9bd589c6b1b19e8ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da51b8c235bf64439bd70f74b2520b5816e9636b2abd28eb7ef578d5f7c532c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-11-22T04:01:14Z",
    "title_canon_sha256": "5c4b177ce9aad4dc6c81859ff0b41e43f501a1f119a1e26fcec1f6304d51b3a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09841",
    "kind": "arxiv",
    "version": 2
  }
}