Pith Number

pith:4ZQAONY3

pith:2019:4ZQAONY3L65NYOP4IYWOQYGC2G

not attested not anchored not stored refs pending

The Redshift Evolution of Rest-UV Spectroscopic Properties to z~5

Alice Shapley, Andreas L. Faisst, Anthony J. Pahl, Michael W. Topping, Naveen A. Reddy, Peter Laursen, Peter L. Capak, Xinnan Du

arxiv:1910.04179 v2 · 2019-10-09 · 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{4ZQAONY3L65NYOP4IYWOQYGC2G}

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	2026-07-05T00:41:42.291394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e66007371b5fbadc39fc462ce860c2d19493f60bfd61cd87eb6f47abf3f5dc60

Aliases

arxiv: 1910.04179 · arxiv_version: 1910.04179v2 · doi: 10.48550/arxiv.1910.04179 · pith_short_12: 4ZQAONY3L65N · pith_short_16: 4ZQAONY3L65NYOP4 · pith_short_8: 4ZQAONY3

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/4ZQAONY3L65NYOP4IYWOQYGC2G \
  | 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: e66007371b5fbadc39fc462ce860c2d19493f60bfd61cd87eb6f47abf3f5dc60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a92af36071328e09026a26af8c3944df7b46aadf78da93cb5f79de8886243add",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-09T18:00:10Z",
    "title_canon_sha256": "dd65ee1c1c4a40444b8589961dae5e13332ce97f70540c7bf5e6deb769608ab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04179",
    "kind": "arxiv",
    "version": 2
  }
}