Pith Number

pith:GQ36BRW7

pith:2011:GQ36BRW7UOZ7AEFBTKDARFAQL4

not attested not anchored not stored refs pending

VII Zw 403: HI Structure in a Blue Compact Dwarf Galaxy

Bruce G. Elmegreen, Caroline E. Simpson, David J. Westpfahl, Deidre A. Hunter, Earl J. O'Neil, Elias Brinks, Eric M. Wilcots, G\"oran \"Ostlin, Roger Lynds, Trisha Ashley, Tyler E. Nordgren, Vince J. McIntyre

arxiv:1107.2049 v1 · 2011-07-11 · 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{GQ36BRW7UOZ7AEFBTKDARFAQL4}

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	2026-05-18T04:15:36.614101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3437e0c6dfa3b3f010a19a860894105f36fb88c67f78d8a17f29dc9396fe8f95

Aliases

arxiv: 1107.2049 · arxiv_version: 1107.2049v1 · doi: 10.48550/arxiv.1107.2049 · pith_short_12: GQ36BRW7UOZ7 · pith_short_16: GQ36BRW7UOZ7AEFB · pith_short_8: GQ36BRW7

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/GQ36BRW7UOZ7AEFBTKDARFAQL4 \
  | 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: 3437e0c6dfa3b3f010a19a860894105f36fb88c67f78d8a17f29dc9396fe8f95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bc969e90fec37b9fa40661713683799e48a4dc11f9d1101a2343afa5221c865",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-07-11T14:53:51Z",
    "title_canon_sha256": "72483e83f40493650fcd43ed101fd3cb7db4e2f4b74967500def349e3099e305"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2049",
    "kind": "arxiv",
    "version": 1
  }
}