Pith Number

pith:TNZ2BSQ2

pith:2011:TNZ2BSQ2AKJ437CR2JGPPNLV7S

not attested not anchored not stored refs pending

Interstellar H I and H_2 in the Magellanic Clouds: An Expanded Sample Based on UV Absorption-Line Data

(2) University of Illinois at Urbana/Champaign), Daniel E. Welty (1), Rui Xue (2), Tony Wong (2) ((1) University of Chicago

arxiv:1111.3674 v1 · 2011-11-15 · 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{TNZ2BSQ2AKJ437CR2JGPPNLV7S}

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	2026-05-18T01:59:32.711871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b73a0ca1a0293cdfc51d24cf7b575fc9a563288810b462278041b314c27bef9

Aliases

arxiv: 1111.3674 · arxiv_version: 1111.3674v1 · doi: 10.48550/arxiv.1111.3674 · pith_short_12: TNZ2BSQ2AKJ4 · pith_short_16: TNZ2BSQ2AKJ437CR · pith_short_8: TNZ2BSQ2

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/TNZ2BSQ2AKJ437CR2JGPPNLV7S \
  | 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: 9b73a0ca1a0293cdfc51d24cf7b575fc9a563288810b462278041b314c27bef9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "627958d852552ad1abf5b6ae351167302f39f0c973e283ec103ea4167fc51139",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-15T22:02:33Z",
    "title_canon_sha256": "5d64f4c8a0d68439330f08afe61d2304919445bb5f81858698d0d92449f10248"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3674",
    "kind": "arxiv",
    "version": 1
  }
}