Pith Number

pith:EXOR6GON

pith:2018:EXOR6GONARIOE62DGL3EXC62UP

not attested not anchored not stored refs pending

The VLA Nascent Disk and Multiplicity Survey of Perseus Protostars (VANDAM). V. 18 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:1808.10438 v1 · 2018-08-30 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EXOR6GONARIOE62DGL3EXC62UP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:01:57.946807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25dd1f19cd0450e27b4332f64b8bdaa3ebc2093902278de039bb195111de6691

Aliases

arxiv: 1808.10438 · arxiv_version: 1808.10438v1 · doi: 10.48550/arxiv.1808.10438 · pith_short_12: EXOR6GONARIO · pith_short_16: EXOR6GONARIOE62D · pith_short_8: EXOR6GON

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/EXOR6GONARIOE62DGL3EXC62UP \
  | 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: 25dd1f19cd0450e27b4332f64b8bdaa3ebc2093902278de039bb195111de6691

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf3b72794786b81b425d0d923bb46565a7d56a66f0343e131c7634670e60f028",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-30T17:58:49Z",
    "title_canon_sha256": "e4d29e70f9e482084e638ff60c87dd6acedcfbce457b871219ef6d0ad94d8d51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10438",
    "kind": "arxiv",
    "version": 1
  }
}