Pith Number

pith:O34COGU6

pith:2009:O34COGU6E6DMDIDV5PKRLMWSUI

not attested not anchored not stored refs pending

Near-infrared spectroscopy of the Blue Compact Dwarf galaxy Markarian 59

(2) University of Virginia, Charlottesville, J. C. Wilson (2) ((1) Main Astronomical Observatory, Kyiv, T. X. Thuan (2), Ukraine, USA), Y. I. Izotov (1)

arxiv:0908.2535 v1 · 2009-08-18 · 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{O34COGU6E6DMDIDV5PKRLMWSUI}

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	2026-05-18T00:14:48.047437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76f8271a9e2786c1a075ebd515b2d2a21085ba26e3bf199beedeb5836d02f9de

Aliases

arxiv: 0908.2535 · arxiv_version: 0908.2535v1 · doi: 10.48550/arxiv.0908.2535 · pith_short_12: O34COGU6E6DM · pith_short_16: O34COGU6E6DMDIDV · pith_short_8: O34COGU6

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/O34COGU6E6DMDIDV5PKRLMWSUI \
  | 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: 76f8271a9e2786c1a075ebd515b2d2a21085ba26e3bf199beedeb5836d02f9de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3b2e1be4919f51853242e1ad263e86a77cac48de4262ead3249208bbfedc499",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-18T10:03:06Z",
    "title_canon_sha256": "f12f7120f60da82fb0201e872cdd4500224f84918ce91e0132ef6f8f7a909b9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2535",
    "kind": "arxiv",
    "version": 1
  }
}