Pith Number

pith:3O76DMAP

pith:2018:3O76DMAPWYGCGWC5XBDKZHBSXS

not attested not anchored not stored refs pending

The Distinct Evolutionary Nature of two Class 0 Protostars in Serpens Main SMM4

Hsi-Wei Yen, Jonathan P. Williams, Masahiro N. Machida, Naomi Hirano, Shigehisa Takakuwa, Yuri Aikawa, Yusuke Aso

arxiv:1806.10743 v1 · 2018-06-28 · 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{3O76DMAPWYGCGWC5XBDKZHBSXS}

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	2026-05-18T00:08:06.156653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbbfe1b00fb60c23585db846ac9c32bcb9ca61daee8be8c7a4d796ac70cf03cc

Aliases

arxiv: 1806.10743 · arxiv_version: 1806.10743v1 · doi: 10.48550/arxiv.1806.10743 · pith_short_12: 3O76DMAPWYGC · pith_short_16: 3O76DMAPWYGCGWC5 · pith_short_8: 3O76DMAP

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/3O76DMAPWYGCGWC5XBDKZHBSXS \
  | 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: dbbfe1b00fb60c23585db846ac9c32bcb9ca61daee8be8c7a4d796ac70cf03cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35144d94e7089e7771869efec5ee9f8ba77af713f1da1b05504529b0b0c9140a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-28T02:47:32Z",
    "title_canon_sha256": "ef527d945d4165e007bac1d3040239fc6d0c5767845009a6be6a1e77369e5d86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10743",
    "kind": "arxiv",
    "version": 1
  }
}