Pith Number

pith:AB4JQ4VU

pith:1999:AB4JQ4VUGJN6NZ65LS55SIOWDY

not attested not anchored not stored refs pending

A 33 GHz interferometer for CMB observations on Tenerife

C. M. Gutierrez, R. A. Watson, R. D. Davies, R. Hoyland, R. J. Davis, R. Rebolo, S. Dicker, S. J. Melhuish

arxiv:astro-ph/9905081 v1 · 1999-05-07 · 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{AB4JQ4VUGJN6NZ65LS55SIOWDY}

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	2026-07-04T14:16:42.036611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00789872b4325be6e7dd5cbbd921d61e0e7c7b983e5f096893abf533a438b4e4

Aliases

arxiv: astro-ph/9905081 · arxiv_version: astro-ph/9905081v1 · doi: 10.48550/arxiv.astro-ph/9905081 · pith_short_12: AB4JQ4VUGJN6 · pith_short_16: AB4JQ4VUGJN6NZ65 · pith_short_8: AB4JQ4VU

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/AB4JQ4VUGJN6NZ65LS55SIOWDY \
  | 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: 00789872b4325be6e7dd5cbbd921d61e0e7c7b983e5f096893abf533a438b4e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c6a557859a953896c67fc37248c2d21928017509494b9abb859af7b1f0f0155",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-07T09:45:19Z",
    "title_canon_sha256": "d4630ebb1f7f0fb001d4589f9cebe55e22a32cd47981f8ea15e36704a5f820e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905081",
    "kind": "arxiv",
    "version": 1
  }
}