Pith Number

pith:IUALKUMW

pith:2021:IUALKUMWFQYPJTOCDNKYS5FXZ4

not attested not anchored not stored refs pending

Discovery of a giant molecular loop in the central region of NGC 253

K. Muraoka, K. Tokuda, R. Enokiya, R. Konishi, T. Onishi, Y. Fukui

arxiv:2106.01653 v2 · 2021-06-03 · 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{IUALKUMWFQYPJTOCDNKYS5FXZ4}

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	2026-07-05T04:15:42.855268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4500b551962c30f4cdc21b558974b7cf2bc918c1b840734bfa36df478a8ecae8

Aliases

arxiv: 2106.01653 · arxiv_version: 2106.01653v2 · doi: 10.48550/arxiv.2106.01653 · pith_short_12: IUALKUMWFQYP · pith_short_16: IUALKUMWFQYPJTOC · pith_short_8: IUALKUMW

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/IUALKUMWFQYPJTOCDNKYS5FXZ4 \
  | 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: 4500b551962c30f4cdc21b558974b7cf2bc918c1b840734bfa36df478a8ecae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fd6ff8090da85b61ab8350aa4d0f437194878b93f73841008006217ddbfc5d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-06-03T07:50:18Z",
    "title_canon_sha256": "b57fdbdc98b0fbf52cdc0176707c0dd1ffe200c513fb60473f6fea689e2a8fbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.01653",
    "kind": "arxiv",
    "version": 2
  }
}