Pith Number

pith:C5JCCGB4

pith:2018:C5JCCGB4RTV2ZUBLSU4PXYAORP

not attested not anchored not stored refs pending

Velocity resolved [O I] 63 $\mu$m emission in the HD 50138 circumstellar disk

C. Salyk, E. Chambers, G. Sandell, H. Richter, H. Wiesemeyer, M. van den Ancker, R. G\"usten, W.-J. de Wit

arxiv:1807.09815 v1 · 2018-07-25 · astro-ph.SR · 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{C5JCCGB4RTV2ZUBLSU4PXYAORP}

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	2026-05-18T00:03:46.040760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

175221183c8cebacd02b9538fbe00e8bfbdaf471962a6daa1596fe8b8d6cc5e4

Aliases

arxiv: 1807.09815 · arxiv_version: 1807.09815v1 · doi: 10.48550/arxiv.1807.09815 · pith_short_12: C5JCCGB4RTV2 · pith_short_16: C5JCCGB4RTV2ZUBL · pith_short_8: C5JCCGB4

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/C5JCCGB4RTV2ZUBLSU4PXYAORP \
  | 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: 175221183c8cebacd02b9538fbe00e8bfbdaf471962a6daa1596fe8b8d6cc5e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0299234a47757e5ecd4569834ebb590ec3ec648b361ae9e8a4263d57617a5e44",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-25T18:39:39Z",
    "title_canon_sha256": "3e80bbb1b85c4d487eb005511e12a79e8e7cdd5bb898c835762d050e65b0c0b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09815",
    "kind": "arxiv",
    "version": 1
  }
}