Pith Number

pith:7IPR7XB7

pith:2021:7IPR7XB7INXL3NCN7RDI6R4FCS

not attested not anchored not stored refs pending

Three isotopologues CO survey of Molecular Clouds in the CMa OB1 complex

Ji Yang, Yan Sun, Ye Xu, Ying-Jie Li, Ze-Hao Lin

arxiv:2101.02866 v1 · 2021-01-08 · 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{7IPR7XB7INXL3NCN7RDI6R4FCS}

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	2026-07-05T02:23:24.681509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa1f1fdc3f436ebdb44dfc468f478514a92dc55f5e800773a40dc3d27b83d47e

Aliases

arxiv: 2101.02866 · arxiv_version: 2101.02866v1 · doi: 10.48550/arxiv.2101.02866 · pith_short_12: 7IPR7XB7INXL · pith_short_16: 7IPR7XB7INXL3NCN · pith_short_8: 7IPR7XB7

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/7IPR7XB7INXL3NCN7RDI6R4FCS \
  | 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: fa1f1fdc3f436ebdb44dfc468f478514a92dc55f5e800773a40dc3d27b83d47e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7ef5e8195f7c65af74a38b816d406a45a20591a91e73a7a2fe2cda0f9f680e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-08T06:04:31Z",
    "title_canon_sha256": "96d77bc78f487c90ba659990da2e503f05f22fadc80a9234d955ae0b59af0cdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02866",
    "kind": "arxiv",
    "version": 1
  }
}