Pith Number

pith:EKPQN675

pith:2010:EKPQN675IH6YJABFEAJAD5UDRX

not attested not anchored not stored refs pending

Understanding BL Lac objects Structural & kinematic mode changes in the BL Lac object PKS 0735+178

Arti Goyal, A. Witzel, B.P. Gong, Gopal-Krishna, H.D. Aller, J.A. Zensus, J.W. Zhang, M.F. Aller, S. Britzen

arxiv:1002.3531 v1 · 2010-02-18 · 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{EKPQN675IH6YJABFEAJAD5UDRX}

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	2026-05-18T02:08:59.579979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

229f06fbfd41fd848025201201f6838de845bc3f036c6e28fd2fd72e538d900b

Aliases

arxiv: 1002.3531 · arxiv_version: 1002.3531v1 · doi: 10.48550/arxiv.1002.3531 · pith_short_12: EKPQN675IH6Y · pith_short_16: EKPQN675IH6YJABF · pith_short_8: EKPQN675

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/EKPQN675IH6YJABFEAJAD5UDRX \
  | 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: 229f06fbfd41fd848025201201f6838de845bc3f036c6e28fd2fd72e538d900b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4d6cea17ba0c6be08c4465c61d02d029cccb57ddfd7bcc8a96ede713e54fc1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-18T14:51:21Z",
    "title_canon_sha256": "1354b3e6522c16e7f50b1adc20b0d128288a89a7b88be1956751468680835d23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3531",
    "kind": "arxiv",
    "version": 1
  }
}