Pith Number

pith:66QYHR2E

pith:2018:66QYHR2EZXUEKI2FGCLJ22CXA3

not attested not anchored not stored refs pending

ALMA observation of the disruption of molecular gas in M87

A. Simionescu, G. Tremblay, J. B. R. Oonk, N. Werner, R. E. A. Canning, S. W. Allen

arxiv:1801.01264 v1 · 2018-01-04 · 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{66QYHR2EZXUEKI2FGCLJ22CXA3}

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	2026-05-18T00:25:15.428875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7a183c744cde845234530969d685706c7b5650a736213eb8ed9308d4a6b8456

Aliases

arxiv: 1801.01264 · arxiv_version: 1801.01264v1 · doi: 10.48550/arxiv.1801.01264 · pith_short_12: 66QYHR2EZXUE · pith_short_16: 66QYHR2EZXUEKI2F · pith_short_8: 66QYHR2E

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/66QYHR2EZXUEKI2FGCLJ22CXA3 \
  | 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: f7a183c744cde845234530969d685706c7b5650a736213eb8ed9308d4a6b8456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39b175816a46d51431a03adf32e5fc39b62e20d04032db321151a9da348ce38a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-04T07:37:47Z",
    "title_canon_sha256": "c0270612d8389b7dfd30eb24efda41cd1d5a2021fec4c803a7730daea7a4f668"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01264",
    "kind": "arxiv",
    "version": 1
  }
}