Pith Number

pith:V437IGJD

pith:2006:V437IGJDDTZY7BKMXQ6LTPAVWU

not attested not anchored not stored refs pending

GBT Observations of IC 443: the Nature of OH(1720 MHz) Masers and OH Absorption

Douglas A. Roberts, Farhad Yusef-Zadeh, John W. Hewitt, Mark Wardle, Namir E. Kassim

arxiv:astro-ph/0602210 v2 · 2006-02-09 · 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{V437IGJDDTZY7BKMXQ6LTPAVWU}

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	2026-07-04T15:19:39.656791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af37f419231cf38f854cbc3cb9bc15b53110350fca0f88b8ab46506b9f822afc

Aliases

arxiv: astro-ph/0602210 · arxiv_version: astro-ph/0602210v2 · doi: 10.48550/arxiv.astro-ph/0602210 · pith_short_12: V437IGJDDTZY · pith_short_16: V437IGJDDTZY7BKM · pith_short_8: V437IGJD

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/V437IGJDDTZY7BKMXQ6LTPAVWU \
  | 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: af37f419231cf38f854cbc3cb9bc15b53110350fca0f88b8ab46506b9f822afc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80875675cadcf8fb6b43c9b6bee964b7bee442e80ec6f94953300deef172afc9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-09T19:46:49Z",
    "title_canon_sha256": "b3de6e7fb49effe3edbfd6d4a1c2baad930aef2b4c608bbc2716143e22a16883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602210",
    "kind": "arxiv",
    "version": 2
  }
}