Pith Number

pith:UHJS43T2

pith:2017:UHJS43T263GC46JTUYLANE7EHF

not attested not anchored not stored refs pending

Resolved Structure of Arp 220 Nuclei at \lambda ~3 mm

Aaron S. Evans, David Wilner, Francesco Costagliola, Kazushi Sakamoto, Loreto Barcos-Mu\~noz, Martina Wiedner, Nanase Harada, Sergio Mart\'in, Susanne Aalto

arxiv:1709.08537 v1 · 2017-09-25 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHJS43T263GC46JTUYLANE7EHF}

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	2026-05-18T00:31:39.694062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1d32e6e7af6cc2e7933a6160693e439722dcfdbd5ab4afc5df3351b577d9cbc

Aliases

arxiv: 1709.08537 · arxiv_version: 1709.08537v1 · doi: 10.48550/arxiv.1709.08537 · pith_short_12: UHJS43T263GC · pith_short_16: UHJS43T263GC46JT · pith_short_8: UHJS43T2

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/UHJS43T263GC46JTUYLANE7EHF \
  | 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: a1d32e6e7af6cc2e7933a6160693e439722dcfdbd5ab4afc5df3351b577d9cbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85dc57da35fd94cb4af963f0cd7cf1aa2a70df5ab1e8f36e0c7f37a2f7a3ca52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-25T15:07:08Z",
    "title_canon_sha256": "8226c71bf8a13438fb4da25824c48c7e778880649a58ae17e560d5985b14fcbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08537",
    "kind": "arxiv",
    "version": 1
  }
}