Pith Number

pith:K7R4VLQB

pith:2021:K7R4VLQBRZU5PLVWL7VVRU6EME

not attested not anchored not stored refs pending

A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).X. Formation of a red ultra-diffuse galaxy and an almost dark galaxy during a ram-pressure stripping event

A. Boselli, A. Longobardi, E.W. Peng, G. Hensler, G. Trinchieri, J.-C.Cuillandre, J.Koda, J. Roediger, Junais, L. Ferrarese, M. Boquien, M. Fossati, N. Prantzos, P. Amram, P. C\^ot\'e, S. Boissier, S. Gwyn, S. Lim, Y. Roehlly

arxiv:2104.02492 v1 · 2021-04-06 · 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{K7R4VLQBRZU5PLVWL7VVRU6EME}

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	2026-07-05T02:49:47.620269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57e3caae018e69d7aeb65feb58d3c46103cf28452c99f53b2875655f6f366873

Aliases

arxiv: 2104.02492 · arxiv_version: 2104.02492v1 · doi: 10.48550/arxiv.2104.02492 · pith_short_12: K7R4VLQBRZU5 · pith_short_16: K7R4VLQBRZU5PLVW · pith_short_8: K7R4VLQB

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/K7R4VLQBRZU5PLVWL7VVRU6EME \
  | 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: 57e3caae018e69d7aeb65feb58d3c46103cf28452c99f53b2875655f6f366873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1cf59a8adb4179ca1f72953f2f546974d88440a0256faad7da13df68674399c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-06T13:21:09Z",
    "title_canon_sha256": "f376c4d62e9ecd05697b064fead2dfdf6259a2f973cbe83aaed6a5b0c0c67e0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02492",
    "kind": "arxiv",
    "version": 1
  }
}