Pith Number

pith:T4I5EVUY

pith:2025:T4I5EVUYYMS5CG5PCFUC3WX5GR

not attested not anchored not stored refs pending

The Local Galactic Transient Survey Applied to an Optical Search for Directed Intelligence

Alec Wang, Alex Thomas, Audrey O'Malley, Ben Fogiel, Cole Slenkovich, Dharv Patel, Enda Mao, Jasper Webb, Joshua Perkins, Kelvin Yip, Kyle Lam, Lee Fowler, Luca Angeleri, Marlon Munoz, Michael McDonald, Natalie Kim, Natalie LeBaron, Nicole Efstathiu, Philip Lubin, Phillip Morgan, Prerana Kottapalli, Rachel Darlinger, Robby Odum, Ruiyang Wang, Ryan Kuo, Sam Salters, Samuel Whitebook, Varun Iyer, Yael Brynjegard-Bialik

arxiv:2501.18903 v2 · 2025-01-31 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4I5EVUYYMS5CG5PCFUC3WX5GR}

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.

Cited by

1 paper in Pith

TRIPP: A General Purpose Data Pipeline for Astronomical Image Processing

Receipt and verification

First computed	2026-07-05T11:41:21.312600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f11d25698c325d11baf11682ddafd3455c32c5fcd143000cbb2aaea20263eb9

Aliases

arxiv: 2501.18903 · arxiv_version: 2501.18903v2 · doi: 10.48550/arxiv.2501.18903 · pith_short_12: T4I5EVUYYMS5 · pith_short_16: T4I5EVUYYMS5CG5P · pith_short_8: T4I5EVUY

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/T4I5EVUYYMS5CG5PCFUC3WX5GR \
  | 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: 9f11d25698c325d11baf11682ddafd3455c32c5fcd143000cbb2aaea20263eb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c43afadd58b57f109631d5e812257d9649576d04c13143eed1a403937e45caec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-01-31T05:45:04Z",
    "title_canon_sha256": "5737d1043fb4bf357789029dbede50a77dfc9031c1a9bf720a7febc4b11282b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.18903",
    "kind": "arxiv",
    "version": 2
  }
}