Pith Number

pith:SPT2HLFO

pith:2009:SPT2HLFOHJ7XLDRPHFKUFOSWXW

not attested not anchored not stored refs pending

The Mysterious bar of the Large Magellanic Cloud: What is it?

Annapurni Subramaniam, Bangalore), Smitha Subramanian (Indian Institute of Astrophysics

arxiv:0908.0177 v1 · 2009-08-03 · 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{SPT2HLFOHJ7XLDRPHFKUFOSWXW}

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	2026-05-18T02:12:45.351309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e7a3acae3a7f758e2f395542ba56bd8296e1b43757054f2209cfcf35ac71e1

Aliases

arxiv: 0908.0177 · arxiv_version: 0908.0177v1 · doi: 10.48550/arxiv.0908.0177 · pith_short_12: SPT2HLFOHJ7X · pith_short_16: SPT2HLFOHJ7XLDRP · pith_short_8: SPT2HLFO

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/SPT2HLFOHJ7XLDRPHFKUFOSWXW \
  | 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: 93e7a3acae3a7f758e2f395542ba56bd8296e1b43757054f2209cfcf35ac71e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d614dd5a1b949a81e341da119d53c78c882195208467b7ea1ba3a374d0597d8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-03T02:40:37Z",
    "title_canon_sha256": "873fbd7ed71d80b53771bcf271da40e24db01b6b464313c976f7a7b61a9916de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0177",
    "kind": "arxiv",
    "version": 1
  }
}