Pith Number

pith:3ZYQTJCM

pith:2022:3ZYQTJCM4UTSCEEBA43ZY2ECO4

not attested not anchored not stored refs pending

Deep Narrowband Photometry of the M101 Group: Strong-Line Abundances of 720 HII Regions

(2) University of Hertfordshire), Aaron E. Watkins (2), J. Christopher Mihos (1), Paul Harding (1), Ray Garner III (1), Stacy S. McGaugh (1) ((1) Case Western Reserve University

arxiv:2211.07463 v1 · 2022-11-14 · 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{3ZYQTJCM4UTSCEEBA43ZY2ECO4}

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	2026-07-05T06:30:42.787786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de7109a44ce52721108107379c68827734cbb8f685dcdb71c90b37dda12fdd55

Aliases

arxiv: 2211.07463 · arxiv_version: 2211.07463v1 · doi: 10.48550/arxiv.2211.07463 · pith_short_12: 3ZYQTJCM4UTS · pith_short_16: 3ZYQTJCM4UTSCEEB · pith_short_8: 3ZYQTJCM

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/3ZYQTJCM4UTSCEEBA43ZY2ECO4 \
  | 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: de7109a44ce52721108107379c68827734cbb8f685dcdb71c90b37dda12fdd55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa5fdfef191cf260537db976fd52f386e7203928107fc16152e7d28aac5abfe7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-11-14T15:44:59Z",
    "title_canon_sha256": "2617a8cb9a91d22d9020cf76529cba8f8166fa89bfb656454bfe8d91431ced88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.07463",
    "kind": "arxiv",
    "version": 1
  }
}