Pith Number

pith:BJUJ52KO

pith:2017:BJUJ52KOFRO3TGE2RUFUZUFGQG

not attested not anchored not stored refs pending

Black hole mass measurement using molecular gas kinematics: what ALMA can do

Ilsang Yoon

arxiv:1701.05683 v1 · 2017-01-20 · 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{BJUJ52KOFRO3TGE2RUFUZUFGQG}

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	2026-05-18T00:52:28.803632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a689ee94e2c5db9989a8d0b4cd0a681a52996a265f5b771f7f86f398e1f5ab2

Aliases

arxiv: 1701.05683 · arxiv_version: 1701.05683v1 · doi: 10.48550/arxiv.1701.05683 · pith_short_12: BJUJ52KOFRO3 · pith_short_16: BJUJ52KOFRO3TGE2 · pith_short_8: BJUJ52KO

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/BJUJ52KOFRO3TGE2RUFUZUFGQG \
  | 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: 0a689ee94e2c5db9989a8d0b4cd0a681a52996a265f5b771f7f86f398e1f5ab2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "444c88d61d57431415ad4fcb098ce6032afaba880288e6aa5f40b7ba4729ee1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-20T04:27:41Z",
    "title_canon_sha256": "9422d6d1d1e0570d413cff90c1d8d51591d0d67d027fd318b131197348dd2bb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05683",
    "kind": "arxiv",
    "version": 1
  }
}