Pith Number

pith:FRFRYRB3

pith:2018:FRFRYRB3E2GC7NQMTLJH2WRMHN

not attested not anchored not stored refs pending

The uneven sisters I, NGC 4388 - a strongly constrained ram pressure stripping event

A. Lancon (1) ((1) Universite de Strasbourg, B. Vollmer (1), C. Pappalardo (2), France (2) Centro de Astronomia e Astrofisica da Universidade de Lisboa, Jagiellonian University, Krakow, M. Soida (3), Observatoire Astronomique, Poland), Portugal (3) Astronomical Observatory

arxiv:1809.03805 v1 · 2018-09-11 · 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{FRFRYRB3E2GC7NQMTLJH2WRMHN}

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	2026-05-17T23:58:37.757480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c4b1c443b268c2fb60c9ad27d5a2c3b74adf941c16d897103ce4188dc522edf

Aliases

arxiv: 1809.03805 · arxiv_version: 1809.03805v1 · doi: 10.48550/arxiv.1809.03805 · pith_short_12: FRFRYRB3E2GC · pith_short_16: FRFRYRB3E2GC7NQM · pith_short_8: FRFRYRB3

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/FRFRYRB3E2GC7NQMTLJH2WRMHN \
  | 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: 2c4b1c443b268c2fb60c9ad27d5a2c3b74adf941c16d897103ce4188dc522edf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7c7382ef0fa98e073c0747c49cfdb7334ef0899dcd33d85e1f76dd9722be448",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-11T12:05:45Z",
    "title_canon_sha256": "b2581740dfba2ea7112d6e3ce20fabcd18b8fa60cf5c620806dea066bf54931e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03805",
    "kind": "arxiv",
    "version": 1
  }
}