Pith Number

pith:VRZMZG3K

pith:2017:VRZMZG3KXYXG7UGEJZVBUJVIWB

not attested not anchored not stored refs pending

Insight Into "Changing-Look" AGN Mrk 1018 from the Fe K$\alpha$ Line: The Reprocessing Gas Has Yet to Fully Respond to the Fading of the AGN

Roy Kilgard, Stephanie M. LaMassa, Tahir Yaqoob

arxiv:1703.07410 v1 · 2017-03-21 · astro-ph.HE · 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{VRZMZG3KXYXG7UGEJZVBUJVIWB}

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	2026-05-18T00:45:11.030586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac72cc9b6abe2e6fd0c44e6a1a26a8b07fa6266e86b8412ea5e0a49002777e41

Aliases

arxiv: 1703.07410 · arxiv_version: 1703.07410v1 · doi: 10.48550/arxiv.1703.07410 · pith_short_12: VRZMZG3KXYXG · pith_short_16: VRZMZG3KXYXG7UGE · pith_short_8: VRZMZG3K

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/VRZMZG3KXYXG7UGEJZVBUJVIWB \
  | 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: ac72cc9b6abe2e6fd0c44e6a1a26a8b07fa6266e86b8412ea5e0a49002777e41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6d58b25c68dcedb49b4cd2d410a65bfd875ec1b72b8cf5fcd160b9c6a7a441d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-03-21T20:00:00Z",
    "title_canon_sha256": "2fe7d5bd01bc42aec4255b37e37d3e3aa560eac55bbcd94bebbb4f2417e50105"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07410",
    "kind": "arxiv",
    "version": 1
  }
}