Pith Number

pith:SSAKKSZ4

pith:2010:SSAKKSZ4CKVCYVJRYF32JOW4VR

not attested not anchored not stored refs pending

Orbital structure in barred spiral galaxies

Constantinos Kalapotharakos, Maria Harsoula

arxiv:1008.0493 v2 · 2010-08-03 · astro-ph.IM · 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{SSAKKSZ4CKVCYVJRYF32JOW4VR}

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	2026-05-18T04:42:35.106329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9480a54b3c12aa2c5531c177a4badcac775d373f9623e5b4bcd7442798b62c6d

Aliases

arxiv: 1008.0493 · arxiv_version: 1008.0493v2 · doi: 10.48550/arxiv.1008.0493 · pith_short_12: SSAKKSZ4CKVC · pith_short_16: SSAKKSZ4CKVCYVJR · pith_short_8: SSAKKSZ4

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/SSAKKSZ4CKVCYVJRYF32JOW4VR \
  | 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: 9480a54b3c12aa2c5531c177a4badcac775d373f9623e5b4bcd7442798b62c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "432fa10f5f5954b692d74147cda380d74c9353961bb4b6f840ae156caeaa0697",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-08-03T09:21:10Z",
    "title_canon_sha256": "d23be0a9670be251eedbd1f2ea03c61c90e8b939066cb2d400291206130c3c88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0493",
    "kind": "arxiv",
    "version": 2
  }
}