Pith Number

pith:SFNUVYKX

pith:2011:SFNUVYKX6FSCDVNCKKAJ7PWCKH

not attested not anchored not stored refs pending

Gas density and star formation in the rarified regions of discs of normal and LSB galaxies

A.V. Zasov, O.V. Abramova

arxiv:1107.3723 v1 · 2011-07-19 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFNUVYKX6FSCDVNCKKAJ7PWCKH}

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	2026-05-18T04:17:16.147987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

915b4ae157f16421d5a252809fbec251e6fc4c85e347422085e35e6cd799e0aa

Aliases

arxiv: 1107.3723 · arxiv_version: 1107.3723v1 · doi: 10.48550/arxiv.1107.3723 · pith_short_12: SFNUVYKX6FSC · pith_short_16: SFNUVYKX6FSCDVNC · pith_short_8: SFNUVYKX

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/SFNUVYKX6FSCDVNCKKAJ7PWCKH \
  | 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: 915b4ae157f16421d5a252809fbec251e6fc4c85e347422085e35e6cd799e0aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b36a9eaaa53b35b803593dcecdced196419d08af4f04cc4002a44d2c5f6a28a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-19T14:20:16Z",
    "title_canon_sha256": "f4d716bba1724491859886523438ba5f311752894ac719657503df6feb4ab1dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3723",
    "kind": "arxiv",
    "version": 1
  }
}