Pith Number

pith:CH6AGWCV

pith:1998:CH6AGWCVJNX6LWVACCQ34XHJAT

not attested not anchored not stored refs pending

High Spatial Resolution Imaging of Arp 220 from 3 - 25 microns

A.J. Weinberger, B.T.Soifer, E. E. Becklin, E.E. Egami, G. Neugebauer, K. Matthews, M. Ressler, M.W. Werner

arxiv:astro-ph/9810120 v1 · 1998-10-08 · 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{CH6AGWCVJNX6LWVACCQ34XHJAT}

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	2026-07-04T16:07:05.395149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11fc0358554b6fe5daa010a1be5ce904c2ed1788e5769b3703897898e11742af

Aliases

arxiv: astro-ph/9810120 · arxiv_version: astro-ph/9810120v1 · doi: 10.48550/arxiv.astro-ph/9810120 · pith_short_12: CH6AGWCVJNX6 · pith_short_16: CH6AGWCVJNX6LWVA · pith_short_8: CH6AGWCV

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/CH6AGWCVJNX6LWVACCQ34XHJAT \
  | 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: 11fc0358554b6fe5daa010a1be5ce904c2ed1788e5769b3703897898e11742af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d800fe3b89b02067c5887cfcc6c79d05b55d1aaf1dc563ac1bbb29474c7a5bb5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-10-08T01:12:41Z",
    "title_canon_sha256": "c2795a384e22a4d6031d36ff6e6f9d94a2229aad5e768fa65b499fa13eb7409c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9810120",
    "kind": "arxiv",
    "version": 1
  }
}