Pith Number

pith:DHD736ME

pith:2002:DHD736MEI53X3AWOKG26HXWSKM

not attested not anchored not stored refs pending

Interferometric Observations of the Nuclear Region of Arp220 at Submillimeter Wavelengths

A. Harrison, C.D. Wilson, J.E. Carlstrom, M.C. Wiedner, O.P. Lay, R.E. Hills

arxiv:astro-ph/0208165 v1 · 2002-08-07 · 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{DHD736MEI53X3AWOKG26HXWSKM}

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	2026-07-04T16:30:36.704269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19c7fdf98447777d82ce51b5e3ded2532992fdff37ee1db6457d7aef87a72021

Aliases

arxiv: astro-ph/0208165 · arxiv_version: astro-ph/0208165v1 · doi: 10.48550/arxiv.astro-ph/0208165 · pith_short_12: DHD736MEI53X · pith_short_16: DHD736MEI53X3AWO · pith_short_8: DHD736ME

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/DHD736MEI53X3AWOKG26HXWSKM \
  | 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: 19c7fdf98447777d82ce51b5e3ded2532992fdff37ee1db6457d7aef87a72021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "503217de7d0a9f282a191671ad1b0aeb329c661b6e4f4fd5950b8651f8363cf1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-08-07T20:11:08Z",
    "title_canon_sha256": "399b360da3fc3bc7123b70545f53e816121d2bd6e7dfa718716ac3aa84508055"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0208165",
    "kind": "arxiv",
    "version": 1
  }
}