Pith Number

pith:WKM7A5Y4

pith:2016:WKM7A5Y4UKFE2ZPBJJYGMDEG66

not attested not anchored not stored refs pending

The tidal filament of NGC 4660

A. Nigoche-Netro, C. Martinez-Robles, D. Zepeda-Garcia, G. Ramos-Larios, L.J. Corral, R.A. Marquez-Lugo, R. Franco-Hernandez, S.G. Navarro, S.N. Kemp

arxiv:1607.04670 v1 · 2016-07-15 · 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{WKM7A5Y4UKFE2ZPBJJYGMDEG66}

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	2026-05-18T01:02:00.243470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b299f0771ca28a4d65e14a70660c86f7b97f89c42078f2569fd75c6ad29f6197

Aliases

arxiv: 1607.04670 · arxiv_version: 1607.04670v1 · doi: 10.48550/arxiv.1607.04670 · pith_short_12: WKM7A5Y4UKFE · pith_short_16: WKM7A5Y4UKFE2ZPB · pith_short_8: WKM7A5Y4

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/WKM7A5Y4UKFE2ZPBJJYGMDEG66 \
  | 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: b299f0771ca28a4d65e14a70660c86f7b97f89c42078f2569fd75c6ad29f6197

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a9102441934610f670630a0603fc38ea6d2a5df04841559eb94c7885357ad7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-07-15T21:37:56Z",
    "title_canon_sha256": "5eab90f823e47c170aed82ee2126434569ede9a7042b017242288476cb217899"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04670",
    "kind": "arxiv",
    "version": 1
  }
}