Pith Number

pith:WTZIKHCW

pith:2017:WTZIKHCWTSGA3OPFWGPZ3ULJ4K

not attested not anchored not stored refs pending

Mid-infrared variability of changing-look AGN

Bo Peng, Chenwei Yang, Liming Dou, Lin Yan, Ning Jiang, Tinggui Wang, Zhenfeng Sheng

arxiv:1707.02686 v3 · 2017-07-10 · 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{WTZIKHCWTSGA3OPFWGPZ3ULJ4K}

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	2026-05-18T00:36:19.063071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4f2851c569c8c0db9e5b19f9dd169e2b4de35c714070d1e230cae1d6ae2f2a3

Aliases

arxiv: 1707.02686 · arxiv_version: 1707.02686v3 · doi: 10.48550/arxiv.1707.02686 · pith_short_12: WTZIKHCWTSGA · pith_short_16: WTZIKHCWTSGA3OPF · pith_short_8: WTZIKHCW

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/WTZIKHCWTSGA3OPFWGPZ3ULJ4K \
  | 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: b4f2851c569c8c0db9e5b19f9dd169e2b4de35c714070d1e230cae1d6ae2f2a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7112bb0816c6bf53a7a3c8d496dd99aa6e470d0006a4a15cf5d9803d5ca39a86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-10T03:21:41Z",
    "title_canon_sha256": "d3ca8164c29c4f399e177d3083301eec6deae1eb9505dca3531e95f71a70eb17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02686",
    "kind": "arxiv",
    "version": 3
  }
}