Pith Number

pith:B3RGQYCL

pith:2026:B3RGQYCL42TCOTSW2CGSV7RXXJ

not attested not anchored not stored refs pending

A Massive Galaxy at the Edge of Feedback-Free Efficiency

K. Aditya, Kartick C. Sarkar

arxiv:2607.29589 v1 · 2026-07-31 · 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{B3RGQYCL42TCOTSW2CGSV7RXXJ}

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	2026-08-03T01:39:32.234654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee268604be6a6274e56d08d2afe37ba7afec2913c83b6f5b00422291d6a6259

Aliases

arxiv: 2607.29589 · arxiv_version: 2607.29589v1 · doi: 10.48550/arxiv.2607.29589 · pith_short_12: B3RGQYCL42TC · pith_short_16: B3RGQYCL42TCOTSW · pith_short_8: B3RGQYCL

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/B3RGQYCL42TCOTSW2CGSV7RXXJ \
  | 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: 0ee268604be6a6274e56d08d2afe37ba7afec2913c83b6f5b00422291d6a6259

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22157baa7b0db675ff3d61590ba477e7e71ee4a73e33ceacfd958aa9e4fb0cc5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-31T16:16:27Z",
    "title_canon_sha256": "bebfe3666db3c4aa85078889890afd2a2cfa3a2784e1f33b88b774127f33792a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29589",
    "kind": "arxiv",
    "version": 1
  }
}