Pith Number

pith:WQUTXNML

pith:2016:WQUTXNML36IOEY456W3BDSGMXF

not attested not anchored not stored refs pending

The VLA Nascent Disk and Multiplicity Survey: First Look at Resolved Candidate Disks around Class 0 and I Protostars in the Perseus Molecular Cloud

Carl Melis, Claire Chandler, Dominique M. Segura-Cox, John J. Tobin, Kaitlin Kratter, Laura Perez, Leslie W. Looney, Michael M. Dunham, Robert J. Harris, Sarah Sadavoy, Zhi-Yun Li

arxiv:1601.03040 v1 · 2016-01-12 · astro-ph.SR · 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{WQUTXNML36IOEY456W3BDSGMXF}

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	2026-05-18T01:21:25.324106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4293bb58bdf90e2639df5b611c8ccb94cc1defed97b814ab87716586905c259

Aliases

arxiv: 1601.03040 · arxiv_version: 1601.03040v1 · doi: 10.48550/arxiv.1601.03040 · pith_short_12: WQUTXNML36IO · pith_short_16: WQUTXNML36IOEY45 · pith_short_8: WQUTXNML

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/WQUTXNML36IOEY456W3BDSGMXF \
  | 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: b4293bb58bdf90e2639df5b611c8ccb94cc1defed97b814ab87716586905c259

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b142c2e78e814765035bcb8d11492704f53ecdb932ec653bc500264bd0ab1e9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-12T21:00:00Z",
    "title_canon_sha256": "b19d57d19aadf9b19ba91f6df15bc7e62eb7cb624356f8c8beaeba35741a4675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03040",
    "kind": "arxiv",
    "version": 1
  }
}