Pith Number

pith:IQVEIMLO

pith:2013:IQVEIMLOIYJQPWWR6PXEBUMJPB

not attested not anchored not stored refs pending

UM 625 Revisited: Multiwavelength Study of A Seyfert 1 Galaxy with a Low-mass Black Hole

Huan Yang, Junxian Wang, Luis C. Ho, Ning Jiang, Xiao-Bo Dong

arxiv:1304.5807 v1 · 2013-04-21 · astro-ph.GA · 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{IQVEIMLOIYJQPWWR6PXEBUMJPB}

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	2026-05-18T01:50:23.876705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

442a44316e461307dad1f3ee40d1897879cf6fa5cb62af48172cba3e40b96a23

Aliases

arxiv: 1304.5807 · arxiv_version: 1304.5807v1 · doi: 10.48550/arxiv.1304.5807 · pith_short_12: IQVEIMLOIYJQ · pith_short_16: IQVEIMLOIYJQPWWR · pith_short_8: IQVEIMLO

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/IQVEIMLOIYJQPWWR6PXEBUMJPB \
  | 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: 442a44316e461307dad1f3ee40d1897879cf6fa5cb62af48172cba3e40b96a23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0bd1f9fc6920fb2a96a03b3ad82dab01691ffe510254f34ec7e7060ef9937b6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-21T22:19:43Z",
    "title_canon_sha256": "844c0435eacc5cdbb420a434da8591c9223f784e82ec35b147d4ddfda83be66a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5807",
    "kind": "arxiv",
    "version": 1
  }
}