Pith Number

pith:GSZN3KDA

pith:2010:GSZN3KDA2KYHGHONLFKQR7RPGY

not attested not anchored not stored refs pending

The Megaparsec-Scale X-ray Jet of the BL Lac Object OJ287

Alan P. Marscher, Svetlana G. Jorstad

arxiv:1008.5178 v2 · 2010-08-30 · 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{GSZN3KDA2KYHGHONLFKQR7RPGY}

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	2026-05-18T02:05:41.229682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34b2dda860d2b0731dcd595508fe2f3632cfdcd25060f99245ea7976cd0e714e

Aliases

arxiv: 1008.5178 · arxiv_version: 1008.5178v2 · doi: 10.48550/arxiv.1008.5178 · pith_short_12: GSZN3KDA2KYH · pith_short_16: GSZN3KDA2KYHGHON · pith_short_8: GSZN3KDA

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/GSZN3KDA2KYHGHONLFKQR7RPGY \
  | 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: 34b2dda860d2b0731dcd595508fe2f3632cfdcd25060f99245ea7976cd0e714e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a262816fb9aae9e1bf7adab11e4903a5756b34fafd5fed54de6cecaded1ceb1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-30T22:33:35Z",
    "title_canon_sha256": "dc33a9dc1d852d365fbdcff114d104730ceb41685a2def30bdd9f321d1ef1330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.5178",
    "kind": "arxiv",
    "version": 2
  }
}