Pith Number

pith:W55STBKG

pith:2011:W55STBKGQUEUGOWHHEXBORDQVU

not attested not anchored not stored refs pending

Hubble-COS Observations of Galactic High-Velocity Clouds: Four AGN Sight Lines through Complex C

Charles Danforth, Felix J. Lockman, Matthew Stevans, Michael Shull, Nahum Arav, Steven Penton

arxiv:1105.2323 v2 · 2011-05-11 · 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{W55STBKGQUEUGOWHHEXBORDQVU}

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	2026-05-18T02:01:59.401623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b77b2985468509433ac7392e174470ad1be43545905c6d04bd15de669aa658c4

Aliases

arxiv: 1105.2323 · arxiv_version: 1105.2323v2 · doi: 10.48550/arxiv.1105.2323 · pith_short_12: W55STBKGQUEU · pith_short_16: W55STBKGQUEUGOWH · pith_short_8: W55STBKG

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/W55STBKGQUEUGOWHHEXBORDQVU \
  | 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: b77b2985468509433ac7392e174470ad1be43545905c6d04bd15de669aa658c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c16c173dbad8fef7a588953c7379226f239fc2112fc7378c74968465a963fea9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-05-11T21:19:06Z",
    "title_canon_sha256": "492f616b9223a12aa0dee4961798fe9b5e60ae02d58b1c0d29c0135b81aac0bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2323",
    "kind": "arxiv",
    "version": 2
  }
}