Pith Number

pith:BHPMPO2F

pith:2026:BHPMPO2FZQP4SWI5GE2E7IJIJJ

not attested not anchored not stored refs pending

Hector Galaxy Survey: Falling in Between - Infalling Galaxies in the Midst of the Abell 3667 Merger

Adeline Wang, Andrei Ristea, Ayoan Sadman, Barnaby Norris, Caroline Foster, David Brodrick, Ellen Houston, Elton Cheng, Fred Crous, Gabriella Quattropani, Gurashish Bhatia, Helen McGregor, Hyunjin Jeong, Jessica Zheng, Jong Chul Lee, Jon Lawrence, Joon Hyeop Lee, Joss Bland-Hawthorn, Julia Bryant, Kyuseok Oh, Madusha Gunawardhana, Mahesh Mohanan, Matt Owers, Mina Pak, Naveen Pai, O\u{g}uzhan \c{C}ak{\i}r, Peter Gillingham, Pratyush Kumar Das, Rebecca Brown, Robert Content, Ross Zhelem, Sarah Sweet, Scott Croom, Seong-Sik Min, Sree Oh, Stefania Barsanti, Sudarshan Venkatesan, Sujeeporn Tuntipong, Tony Farrell, Will Saunders, Yifan Mai

arxiv:2608.18621 v1 · 2026-08-19 · 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{BHPMPO2FZQP4SWI5GE2E7IJIJJ}

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	2026-08-20T01:23:17.076598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09dec7bb45cc1fc9591d31344fa1284a5cc18ce531d899a33332a277d1e773c7

Aliases

arxiv: 2608.18621 · arxiv_version: 2608.18621v1 · doi: 10.48550/arxiv.2608.18621 · pith_short_12: BHPMPO2FZQP4 · pith_short_16: BHPMPO2FZQP4SWI5 · pith_short_8: BHPMPO2F

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/BHPMPO2FZQP4SWI5GE2E7IJIJJ \
  | 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: 09dec7bb45cc1fc9591d31344fa1284a5cc18ce531d899a33332a277d1e773c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7b9f3010ae87d38b90e58dd45546d2d487b083363d988f8fcbd4e4c11eb21b6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-08-19T07:15:52Z",
    "title_canon_sha256": "7b6b75237cbe8cf6d9da0c72afe33789302f2a73392265cd4bdca1b63ff04f93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.18621",
    "kind": "arxiv",
    "version": 1
  }
}