Pith Number

pith:NONI2HDL

pith:2019:NONI2HDLEOLNT7UO4PDCW5WY4E

not attested not anchored not stored refs pending

Surveying the Giant HII Regions of the Milky Way with SOFIA: I. W51A

James M. De Buizer, Wanggi Lim

arxiv:1901.07561 v1 · 2019-01-22 · 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{NONI2HDLEOLNT7UO4PDCW5WY4E}

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	2026-05-17T23:50:21.751490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b9a8d1c6b2396d9fe8ee3c62b76d8e10cf7cc8420ab1906ee38e85d008de952

Aliases

arxiv: 1901.07561 · arxiv_version: 1901.07561v1 · doi: 10.48550/arxiv.1901.07561 · pith_short_12: NONI2HDLEOLN · pith_short_16: NONI2HDLEOLNT7UO · pith_short_8: NONI2HDL

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/NONI2HDLEOLNT7UO4PDCW5WY4E \
  | 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: 6b9a8d1c6b2396d9fe8ee3c62b76d8e10cf7cc8420ab1906ee38e85d008de952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12c6fd2c8147743d2333d9855d8e9c72f28926e3550684e447f8e58600554179",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-22T19:00:00Z",
    "title_canon_sha256": "0489e0a36baf472676e2c384a73f22e044dd3bb2b8c9e82eed7509212cb2afbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07561",
    "kind": "arxiv",
    "version": 1
  }
}