Pith Number

pith:U3HCOWHO

pith:2011:U3HCOWHORLK5BDIH276S6WNY3O

not attested not anchored not stored refs pending

X-rays from Blue Compact Dwarf Galaxies

Joseph Schmitt, Mark Gorski, Philip Kaaret

arxiv:1108.2426 v1 · 2011-08-11 · 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{U3HCOWHORLK5BDIH276S6WNY3O}

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	2026-05-18T02:00:55.124131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6ce2758ee8ad5d08d07d7fd2f59b8db93d65581b8923ab5a75617317cc32434

Aliases

arxiv: 1108.2426 · arxiv_version: 1108.2426v1 · doi: 10.48550/arxiv.1108.2426 · pith_short_12: U3HCOWHORLK5 · pith_short_16: U3HCOWHORLK5BDIH · pith_short_8: U3HCOWHO

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/U3HCOWHORLK5BDIH276S6WNY3O \
  | 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: a6ce2758ee8ad5d08d07d7fd2f59b8db93d65581b8923ab5a75617317cc32434

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3e2692848fa81109eeadaa0d754d38193f978ebbd9e97f546c7da83579580cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-08-11T15:07:32Z",
    "title_canon_sha256": "c94ac59a459ee57b949e86948abde770671674475d24779c26fd1314354de7dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2426",
    "kind": "arxiv",
    "version": 1
  }
}