Pith Number

pith:YLC6MA5Z

pith:1997:YLC6MA5ZZ7HCMNT4QK63FPTVU2

not attested not anchored not stored refs pending

Imaging of the Host Galaxies of Three X-Ray Selected BL Lacertae Objects

Brian Yanny, Buell T. Jannuzi, Chris Impey

arxiv:astro-ph/9706028 v2 · 1997-06-03 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YLC6MA5ZZ7HCMNT4QK63FPTVU2}

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	2026-05-18T04:27:34.630224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2c5e603b9cfce26367c82bdb2be75a6a76191017936b7fa1a5b062325586c11

Aliases

arxiv: astro-ph/9706028 · arxiv_version: astro-ph/9706028v2 · doi: 10.48550/arxiv.astro-ph/9706028 · pith_short_12: YLC6MA5ZZ7HC · pith_short_16: YLC6MA5ZZ7HCMNT4 · pith_short_8: YLC6MA5Z

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/YLC6MA5ZZ7HCMNT4QK63FPTVU2 \
  | 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: c2c5e603b9cfce26367c82bdb2be75a6a76191017936b7fa1a5b062325586c11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d282d2322e924698a487e9075c77f3ff76a0a822c4f5ed404f29374ff1d15cb9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-06-03T16:31:38Z",
    "title_canon_sha256": "e8b7a4cdd9a1b965ef02f61b48cc78d828212af76080f160e61a9b3d2cf8801d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9706028",
    "kind": "arxiv",
    "version": 2
  }
}