Pith Number

pith:D3GHASMT

pith:2011:D3GHASMTH73F7VZ7WTBV63ESHK

not attested not anchored not stored refs pending

Outside-in Shrinking of the Star-forming Disk of Dwarf Irregular Galaxies

2), (2) Purple Mountain Observatory, (3) IBM T.J. Watson Research Center, (4) MPIA), Andreas Schruba (4) ((1) Lowell Observatory, Bruce G. Elmegreen (3), Deidre A. Hunter (1), Hong-Xin Zhang (1, Yu Gao (2)

arxiv:1111.3363 v1 · 2011-11-14 · astro-ph.CO · 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{D3GHASMTH73F7VZ7WTBV63ESHK}

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	2026-05-18T01:59:33.510705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ecc7049933ff65fd73fb4c35f6c923aa3f5cadadc64446afa024c0f416597a8

Aliases

arxiv: 1111.3363 · arxiv_version: 1111.3363v1 · doi: 10.48550/arxiv.1111.3363 · pith_short_12: D3GHASMTH73F · pith_short_16: D3GHASMTH73F7VZ7 · pith_short_8: D3GHASMT

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/D3GHASMTH73F7VZ7WTBV63ESHK \
  | 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: 1ecc7049933ff65fd73fb4c35f6c923aa3f5cadadc64446afa024c0f416597a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a7b80bd7171c200ddc7f9ae78ec3ea2f13d4f75402ba960cee2ef8f58b5573e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-14T21:00:02Z",
    "title_canon_sha256": "6e4ea64f58da9f472a2e852f2b12c02e22705262e7c59f17c5e796eb2e3ff6fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3363",
    "kind": "arxiv",
    "version": 1
  }
}