Pith Number

pith:AVUHWGQK

pith:2017:AVUHWGQKEHUTQ2AYDFYFAQXVPK

not attested not anchored not stored refs pending

Clarifying the Status of HD 100546 as Observed by the Gemini Planet Imager

Carol Grady, Scott Kenyon, Sean Brittain, Takayuki Muto, Thayne Currie

arxiv:1712.02819 v1 · 2017-12-07 · astro-ph.SR · 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{AVUHWGQKEHUTQ2AYDFYFAQXVPK}

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	2026-05-18T00:28:29.196386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05687b1a0a21e938681819705042f57a93a05573c00b07fd46ef31da540ec62e

Aliases

arxiv: 1712.02819 · arxiv_version: 1712.02819v1 · doi: 10.48550/arxiv.1712.02819 · pith_short_12: AVUHWGQKEHUT · pith_short_16: AVUHWGQKEHUTQ2AY · pith_short_8: AVUHWGQK

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/AVUHWGQKEHUTQ2AYDFYFAQXVPK \
  | 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: 05687b1a0a21e938681819705042f57a93a05573c00b07fd46ef31da540ec62e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d41637f7a538b3c2f2928a1a9cd914e95f4ea2a834020f8bbd933d359207bdfe",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-07T19:09:46Z",
    "title_canon_sha256": "902e9e1185dc73e4954108a15c801563f24368b2b78a6f8e9ecb3fa71e45d986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02819",
    "kind": "arxiv",
    "version": 1
  }
}