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Pith Number

pith:TRYZLLLT

pith:2026:TRYZLLLTDWN2S3MPMRZRNLUQKU
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A Post-starburst Galaxy Undergoing Ram-pressure Stripping at Redshift 3.06

Anton M. Koekemoer, Bjorn H. C. Emonts, Christopher N. A. Willmer, Eiichi Egami, Fengwu Sun, Franz E. Bauer, Fujiang Yu, Fuyan Bian, J. Xaiver Prochaska, Ming Sun, Mingyu Li, Seiji Fujimoto, Vasily Kokorev, Xiaohui Fan, Xiaojing Lin, Yunjing Wu, Zechang Sun, Zheng Cai, Zihao Li

A post-starburst galaxy at redshift 3.06 is undergoing ram-pressure stripping.

arxiv:2604.11892 v2 · 2026-04-13 · astro-ph.GA · astro-ph.CO

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\pithnumber{TRYZLLLTDWN2S3MPMRZRNLUQKU}

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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.

Claims

C1strongest claim

we utilize JWST and ALMA observations to present direct evidence of RPS in the post-starburst galaxy A2744-JF-z3, residing in a galaxy group at redshift 3.06, the earliest such detection to date.

C2weakest assumption

The spectroscopic diagnostics and spectral energy distribution modeling correctly attribute the observed gas and dust removal specifically to ram-pressure stripping rather than other mechanisms such as AGN feedback, mergers, or observational biases at high redshift.

C3one line summary

Earliest direct evidence of ram-pressure stripping quenching star formation in a galaxy at z=3.06.

Receipt and verification
First computed 2026-05-22T01:04:02.177640Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9c7195ad731d9ba96d8f647316ae90553e69dc559e06967ea395b663317f9e2b

Aliases

arxiv: 2604.11892 · arxiv_version: 2604.11892v2 · doi: 10.48550/arxiv.2604.11892 · pith_short_12: TRYZLLLTDWN2 · pith_short_16: TRYZLLLTDWN2S3MP · pith_short_8: TRYZLLLT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TRYZLLLTDWN2S3MPMRZRNLUQKU \
  | 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: 9c7195ad731d9ba96d8f647316ae90553e69dc559e06967ea395b663317f9e2b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "333bb71b0f510c1ec0879fc7c0aa5596b8aa38b7b87e159b5e299670a79a58e5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-04-13T18:00:05Z",
    "title_canon_sha256": "985814e7ff6b58b81cc8c8b3f43821543e8a4756fbaca0f3146cd2e1b45afd47"
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  "schema_version": "1.0",
  "source": {
    "id": "2604.11892",
    "kind": "arxiv",
    "version": 2
  }
}