Pith Number

pith:UBP6JGLR

pith:2005:UBP6JGLRCZC2HJMZILWDHVWODG

not attested not anchored not stored refs pending

Understanding Radio-Selected Thermal Sources in M 33: Ultraviolet, Optical, Near-Infrared, Spitzer Mid-Infrared, and Radio Observations

B. Brandl, Brent A. Buckalew, Charles E. Woodward, C. W. Engelbracht, Elisha Polomski, George H. Rieke, Henry A. Kobulnicky, Jacco Th. van Loon, Joannah L. Hinz, Jonathan M. Darnel, Karl D. Gordon, K. Misselt, M. A. Pahre, M. L. N. Ashby, Nick Devereux, P. Barmby, P. G. Perez-Gonzalez, Roberta M. Humphreys, Robert D. Gehrz, S. P. Willner, T. L. Roellig

arxiv:astro-ph/0509886 v1 · 2005-09-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBP6JGLRCZC2HJMZILWDHVWODG}

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	2026-05-18T01:07:26.463984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a05fe499711645a3a59942ec33d6ce198d5ce839f7ffdec2739ae4ddc93090c2

Aliases

arxiv: astro-ph/0509886 · arxiv_version: astro-ph/0509886v1 · doi: 10.48550/arxiv.astro-ph/0509886 · pith_short_12: UBP6JGLRCZC2 · pith_short_16: UBP6JGLRCZC2HJMZ · pith_short_8: UBP6JGLR

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/UBP6JGLRCZC2HJMZILWDHVWODG \
  | 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: a05fe499711645a3a59942ec33d6ce198d5ce839f7ffdec2739ae4ddc93090c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84be27099a2a7f580ab29527d7df63fb4402f41a10c24bf9c86def8a0ce152be",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-29T18:08:38Z",
    "title_canon_sha256": "1601b1a863152a4b63e30791a2c5814ceb9a356fc9024331c101c82a8f4b0927"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509886",
    "kind": "arxiv",
    "version": 1
  }
}