Pith Number

pith:V4TIQ2KU

pith:2021:V4TIQ2KUJQ6DVKAWEHRTSEWROK

not attested not anchored not stored refs pending

Quiescent Ultra-diffuse galaxies in the field originating from backsplash orbits

Annalisa Pillepich, Dylan Nelson, Federico Marinacci, Jos\'e A. Benavides, Lars Hernquist, Laura V. Sales, Mario. G. Abadi, Mark Vogelsberger, Michael Cooper, Paul Torrey, Ruediger Pakmor

arxiv:2109.01677 v1 · 2021-09-03 · 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{V4TIQ2KUJQ6DVKAWEHRTSEWROK}

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	2026-07-05T03:11:33.700892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af268869544c3c3aa81621e33912d1729a213e4c15cc71bcc07f074fbe3a7bdc

Aliases

arxiv: 2109.01677 · arxiv_version: 2109.01677v1 · doi: 10.48550/arxiv.2109.01677 · pith_short_12: V4TIQ2KUJQ6D · pith_short_16: V4TIQ2KUJQ6DVKAW · pith_short_8: V4TIQ2KU

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/V4TIQ2KUJQ6DVKAWEHRTSEWROK \
  | 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: af268869544c3c3aa81621e33912d1729a213e4c15cc71bcc07f074fbe3a7bdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d6d8bda793328e0daebba216dd9f22fd8175a0297bbf14f06b91f33d129c4b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-03T18:00:02Z",
    "title_canon_sha256": "19ad7ffe1e158618a3754cd46a8f4db24ea89f05b2702947ebb782223aac0898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01677",
    "kind": "arxiv",
    "version": 1
  }
}