Pith Number

pith:OYOH42FL

pith:2012:OYOH42FLNHP2CX6BGWG7JCWW2Z

not attested not anchored not stored refs pending

The Habitable-Zone Planet Finder: A Stabilized Fiber-Fed NIR Spectrograph for the Hobby-Eberly Telescope

Adam Burton, Chad Bender, Fred Hearty, James Kasting, Jason T. Wright, Lawrence Ramsey, Matt Nelson, Michael Endl, Rohit Deshpande, Ryan Terrien, Sam Halverson, Scott Diddams, Stephen Redman, Steven Osterman, Suvrath Mahadevan

arxiv:1209.1686 v1 · 2012-09-08 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYOH42FLNHP2CX6BGWG7JCWW2Z}

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	2026-05-18T01:54:38.315153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

761c7e68ab69dfa15fc1358df48ad6d67c39657267492b7c3ac58f759ccbd6c9

Aliases

arxiv: 1209.1686 · arxiv_version: 1209.1686v1 · doi: 10.48550/arxiv.1209.1686 · pith_short_12: OYOH42FLNHP2 · pith_short_16: OYOH42FLNHP2CX6B · pith_short_8: OYOH42FL

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/OYOH42FLNHP2CX6BGWG7JCWW2Z \
  | 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: 761c7e68ab69dfa15fc1358df48ad6d67c39657267492b7c3ac58f759ccbd6c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "840c8418f463dbd94793d3807294ad8448e4180c6fcc8e68a24cc6d7d2a1cfe2",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-09-08T03:45:19Z",
    "title_canon_sha256": "7a550a99ca8e470d75723aa8c48d7243c55b61b4e7b15faf291fea4aad583706"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1686",
    "kind": "arxiv",
    "version": 1
  }
}