Pith Number

pith:CZC7NYHV

pith:2023:CZC7NYHVMJR4DXYCEY4MIBLHOH

not attested not anchored not stored refs pending

Accurate Oxygen Abundance of Interstellar Gas in Mrk 71 from Optical and Infrared Spectra

Benjamin Weiner, Daniel Stark, Dario Fadda, Erin Huntzinger, Guido Roberts-Borsani, Jessica Sutter, Justin Spilker, Peter Senchyna, Robert Minchin, Ryan Sanders, Tucker Jones, Yuguang Chen

arxiv:2304.09898 v1 · 2023-04-19 · 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{CZC7NYHVMJR4DXYCEY4MIBLHOH}

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	2026-07-05T06:02:51.438556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1645f6e0f56263c1df022638c4056771fbe27343e4ea35a0a0ba26985fbe2373

Aliases

arxiv: 2304.09898 · arxiv_version: 2304.09898v1 · doi: 10.48550/arxiv.2304.09898 · pith_short_12: CZC7NYHVMJR4 · pith_short_16: CZC7NYHVMJR4DXYC · pith_short_8: CZC7NYHV

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/CZC7NYHVMJR4DXYCEY4MIBLHOH \
  | 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: 1645f6e0f56263c1df022638c4056771fbe27343e4ea35a0a0ba26985fbe2373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df2cb85b2c2ad27ae26e1be3e7a957a699e24f03b6428f8e5c1ae7dd15b2363f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-04-19T18:00:10Z",
    "title_canon_sha256": "d491890983fb221541d2b4b047e67cc1a17f5b81b8d2b9e97f4aa084f2422d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.09898",
    "kind": "arxiv",
    "version": 1
  }
}