Pith Number

pith:JO3ITZ4D

pith:2000:JO3ITZ4D3XMBTAY7XEN4XVTVRG

not attested not anchored not stored refs pending

A Sensitive Search for Methane in the Infrared Spectrum of Tau Bootis

Drake Deming, Gordon Bjoraker, Guenter Wiedemann

arxiv:astro-ph/0007216 v1 · 2000-07-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JO3ITZ4D3XMBTAY7XEN4XVTVRG}

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	2026-07-04T16:16:54.553033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bb689e783ddd819831fb91bcbd67589b327f0d871d28d9c87c73fe4411e9ac8

Aliases

arxiv: astro-ph/0007216 · arxiv_version: astro-ph/0007216v1 · doi: 10.48550/arxiv.astro-ph/0007216 · pith_short_12: JO3ITZ4D3XMB · pith_short_16: JO3ITZ4D3XMBTAY7 · pith_short_8: JO3ITZ4D

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/JO3ITZ4D3XMBTAY7XEN4XVTVRG \
  | 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: 4bb689e783ddd819831fb91bcbd67589b327f0d871d28d9c87c73fe4411e9ac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b35ab5ccdbc5e3b2498cc89dfc00496f435271408771994d411d39e0bd95bf1d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-15T14:22:44Z",
    "title_canon_sha256": "7a5ecbacda922952dd4f147cd33da18d53649df157585d19f4f4f4bec55bad1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007216",
    "kind": "arxiv",
    "version": 1
  }
}