Pith Number

pith:UKHFSYTO

pith:2009:UKHFSYTOPKYYILMEUWJ7ETR4QG

not attested not anchored not stored refs pending

OVI Absorption in the Milky Way Disk, and Future Prospects for Studying Absorption at the Galaxy-IGM Interface

D.G. York, D.V. Bowen, E.B. Jenkins, T.M. Tripp

arxiv:0902.1989 v1 · 2009-02-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKHFSYTOPKYYILMEUWJ7ETR4QG}

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	2026-05-18T02:14:48.259607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a28e59626e7ab1842d84a593f24e3c81976ccab26d4c263bf32b516191564af1

Aliases

arxiv: 0902.1989 · arxiv_version: 0902.1989v1 · doi: 10.48550/arxiv.0902.1989 · pith_short_12: UKHFSYTOPKYY · pith_short_16: UKHFSYTOPKYYILME · pith_short_8: UKHFSYTO

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/UKHFSYTOPKYYILMEUWJ7ETR4QG \
  | 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: a28e59626e7ab1842d84a593f24e3c81976ccab26d4c263bf32b516191564af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ab48f25fad66445a17d5b25b8c9375e7caa5727ab761e7131a52240a7d4fd5a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-02-11T21:03:16Z",
    "title_canon_sha256": "1f28ed20b8f51b76289000d71d2d1884d52b3c377d39887e4c2a1bb5fedb40a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1989",
    "kind": "arxiv",
    "version": 1
  }
}