Pith Number

pith:HRWDAHZ3

pith:2016:HRWDAHZ3AHR4PUF5DKG4L3W5TZ

not attested not anchored not stored refs pending

Stellar Activity and Exclusion of the Outer Planet in the HD 99492 System

Andrew W. Howard, Badrinath Thirumalachari, Debra A. Fischer, Eric L.N. Jensen, Gregory W. Henry, Howard T. Isaacson, Jason T. Wright, Natalie R. Hinkel, Stephen R. Kane, Tabetha S. Boyajian

arxiv:1603.00487 v2 · 2016-03-01 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRWDAHZ3AHR4PUF5DKG4L3W5TZ}

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	2026-05-18T01:18:36.989777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c6c301f3b01e3c7d0bd1a8dc5eedd9e50fe83d93d455226daccf3d044bc7e1f

Aliases

arxiv: 1603.00487 · arxiv_version: 1603.00487v2 · doi: 10.48550/arxiv.1603.00487 · pith_short_12: HRWDAHZ3AHR4 · pith_short_16: HRWDAHZ3AHR4PUF5 · pith_short_8: HRWDAHZ3

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/HRWDAHZ3AHR4PUF5DKG4L3W5TZ \
  | 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: 3c6c301f3b01e3c7d0bd1a8dc5eedd9e50fe83d93d455226daccf3d044bc7e1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ac84fe58755b90cb5e21824c0fbee2e93de47c059a190bee005487b7c09e653",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-03-01T21:03:06Z",
    "title_canon_sha256": "84c7ec42f61f94a0a2fcc0b75686e8b3473233bfd09bbd59e9a086cdc9335983"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00487",
    "kind": "arxiv",
    "version": 2
  }
}