Pith Number

pith:HYK7YBNV

pith:2016:HYK7YBNVOPVTC7SVZMZF74V37Q

not attested not anchored not stored refs pending

The Metal Abundances across Cosmic Time ($\mathcal{MACT}$) Survey. I. Optical Spectroscopy in the Subaru Deep Field

(2) ASU, (3) UCLA, (4) NAOJ, (5) NCSU), Chun Ly (1), James E. Rhoads (2) ((1) NASA-Goddard, Jane R. Rigby (1), Matthew A. Malkan (3), Mithi A. de los Reyes (5), Nobunari Kashikawa (4), Sangeeta Malhotra (2)

arxiv:1602.01089 v3 · 2016-02-02 · 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{HYK7YBNVOPVTC7SVZMZF74V37Q}

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	2026-05-18T01:04:09.267875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e15fc05b573eb317e55cb325ff2bbfc15568515fdb6b57cbaf83cf9ebd54e34

Aliases

arxiv: 1602.01089 · arxiv_version: 1602.01089v3 · doi: 10.48550/arxiv.1602.01089 · pith_short_12: HYK7YBNVOPVT · pith_short_16: HYK7YBNVOPVTC7SV · pith_short_8: HYK7YBNV

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/HYK7YBNVOPVTC7SVZMZF74V37Q \
  | 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: 3e15fc05b573eb317e55cb325ff2bbfc15568515fdb6b57cbaf83cf9ebd54e34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "239056739abff71bb95fcb06a353f00bff0bb0b3fe059ef1d5330314296248cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-02T21:00:01Z",
    "title_canon_sha256": "39477f646e0ef895b418a74c40caf6826e594665a783d7a3ea62e5e70864feff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01089",
    "kind": "arxiv",
    "version": 3
  }
}