Pith Number

pith:VT4AQOKQ

pith:2012:VT4AQOKQS7GPOXHK6JE7WRY3BJ

not attested not anchored not stored refs pending

Discovery of the Pigtail Molecular Cloud in the Galactic Center

Kazuhisa Kamegai, Kunihiko Tanaka, Makoto Nagai, Shinji Matsumura, Tetsuo Hasegawa, Tomoharu Oka

arxiv:1207.4704 v1 · 2012-07-19 · 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{VT4AQOKQS7GPOXHK6JE7WRY3BJ}

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	2026-05-18T01:56:16.211189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acf808395097ccf75ceaf249fb471b0a73dc9d08f963598bdef125f7fb382264

Aliases

arxiv: 1207.4704 · arxiv_version: 1207.4704v1 · doi: 10.48550/arxiv.1207.4704 · pith_short_12: VT4AQOKQS7GP · pith_short_16: VT4AQOKQS7GPOXHK · pith_short_8: VT4AQOKQ

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/VT4AQOKQS7GPOXHK6JE7WRY3BJ \
  | 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: acf808395097ccf75ceaf249fb471b0a73dc9d08f963598bdef125f7fb382264

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da7e04816c13c77ac9a4b283e4bd942b31f5098ff3ca05972a14bdaf11a36d5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-07-19T15:12:04Z",
    "title_canon_sha256": "b1dfd29a11684015fc44fc0b45e44ca0e27b35039fda1a4fad1232b1c688829f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4704",
    "kind": "arxiv",
    "version": 1
  }
}