Pith Number

pith:EXWS7STH

pith:2019:EXWS7STHVAQRSIL7V7SGUNOG3I

not attested not anchored not stored refs pending

Secondary Infall in the Seyfert's Sextet: A Plausible Way Out of the Short Crossing Time Paradox

Christopher A\~norve, H\'ector Javier Ibarra-Medel, Jes\'us Falcon-Barroso, Jorge K. Barrera-Ballesteros, Juan P. Torres-Papaqui, Mark Birkinshaw, Omar L\'opez-Cruz, Sebasti\'an F. S\'anchez, Wayne A. Barkhouse

arxiv:1910.12533 v1 · 2019-10-28 · 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{EXWS7STHVAQRSIL7V7SGUNOG3I}

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	2026-07-05T00:31:27.351569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25ed2fca67a82119217fafe46a35c6da05cc46f21153b7ef100226c7b9621f36

Aliases

arxiv: 1910.12533 · arxiv_version: 1910.12533v1 · doi: 10.48550/arxiv.1910.12533 · pith_short_12: EXWS7STHVAQR · pith_short_16: EXWS7STHVAQRSIL7 · pith_short_8: EXWS7STH

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/EXWS7STHVAQRSIL7V7SGUNOG3I \
  | 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: 25ed2fca67a82119217fafe46a35c6da05cc46f21153b7ef100226c7b9621f36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "096e3a2785861fd02be5a11ec4e342f205e62ad67b1c749fe94c9ca9d41ac90e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-28T10:28:02Z",
    "title_canon_sha256": "fd1f57ab628cc4318c1f68d00bbc9f6a6aa115a55f422e446e18e81b23e42823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12533",
    "kind": "arxiv",
    "version": 1
  }
}