Pith Number

pith:Z26WDNOO

pith:2015:Z26WDNOONL3243V37AIDM22AOT

not attested not anchored not stored refs pending

Hunting for Supermassive Black Holes in Nearby Galaxies with the Hobby-Eberly Telescope

(2) UT Austin, (3) UMich, 4) ((1) MPIA, (4) Texas A&M), Akin Y{\i}ld{\i}r{\i}m (1), Jonelle Walsh (2, Karl Gebhardt (2), Kayhan G\"ultekin (3), Remco van den Bosch (1)

arxiv:1502.00632 v1 · 2015-02-02 · 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{Z26WDNOONL3243V37AIDM22AOT}

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	2026-05-18T02:03:34.479450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cebd61b5ce6af7ae6ebbf810366b4074d4d5cc1baf0e2bb1b223f3e42cbab0d8

Aliases

arxiv: 1502.00632 · arxiv_version: 1502.00632v1 · doi: 10.48550/arxiv.1502.00632 · pith_short_12: Z26WDNOONL32 · pith_short_16: Z26WDNOONL3243V3 · pith_short_8: Z26WDNOO

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/Z26WDNOONL3243V37AIDM22AOT \
  | 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: cebd61b5ce6af7ae6ebbf810366b4074d4d5cc1baf0e2bb1b223f3e42cbab0d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e352885f364ca8d5f4c88feaaa43798f551ad431b0fa5bc38ce874d59bd47a43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-02T21:00:12Z",
    "title_canon_sha256": "6a71b0d632d4da601b14f94b6539b395f15242dc8cc41e370eefda51a49eab4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00632",
    "kind": "arxiv",
    "version": 1
  }
}