Pith Number

pith:HC3WLKX7

pith:2017:HC3WLKX7QYUCDMUK4P3C5256XU

not attested not anchored not stored refs pending

The Discovery and Origin of A Very-High Velocity Cloud Toward M33

J. E. G. Peek, J. K. Werk, M. E. Putman, Y. Zheng

arxiv:1703.09730 v1 · 2017-03-28 · 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{HC3WLKX7QYUCDMUK4P3C5256XU}

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	2026-05-18T00:31:36.067149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38b765aaff862821b28ae3f62eebbebd3424f02cb56d6e7e26f04dd289b35356

Aliases

arxiv: 1703.09730 · arxiv_version: 1703.09730v1 · doi: 10.48550/arxiv.1703.09730 · pith_short_12: HC3WLKX7QYUC · pith_short_16: HC3WLKX7QYUCDMUK · pith_short_8: HC3WLKX7

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/HC3WLKX7QYUCDMUK4P3C5256XU \
  | 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: 38b765aaff862821b28ae3f62eebbebd3424f02cb56d6e7e26f04dd289b35356

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac78b805ae64b35057745c6c32e494583f4214dd8268acee0a58557b703b7dd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-28T18:02:54Z",
    "title_canon_sha256": "d1db4b7dda417249f9c6cbaee712e3be719e98e0ae5dfd5e56adde0f982fb7f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09730",
    "kind": "arxiv",
    "version": 1
  }
}