Pith Number

pith:4ETORAI7

pith:2018:4ETORAI7OVK7EEBQLZGMSGJBTM

not attested not anchored not stored refs pending

Gemini, SOFIA, and ATCA Reveal Very Young, Massive Protostars in the Collapsing Molecular Cloud BYF 73

Dan Li, Peter J. Barnes, Rebecca L. Pitts, Stuart D. Ryder

arxiv:1810.04693 v2 · 2018-10-10 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ETORAI7OVK7EEBQLZGMSGJBTM}

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	2026-05-18T00:02:08.926976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e126e8811f7555f210305e4cc919219b0f7e33b070cc1441d2b2c8578d216baf

Aliases

arxiv: 1810.04693 · arxiv_version: 1810.04693v2 · doi: 10.48550/arxiv.1810.04693 · pith_short_12: 4ETORAI7OVK7 · pith_short_16: 4ETORAI7OVK7EEBQ · pith_short_8: 4ETORAI7

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/4ETORAI7OVK7EEBQLZGMSGJBTM \
  | 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: e126e8811f7555f210305e4cc919219b0f7e33b070cc1441d2b2c8578d216baf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27cbaff69c6a00c432d9c02fce1af469e8f7ba22f787aa451a7fa898e3a48486",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-10T18:08:11Z",
    "title_canon_sha256": "4dd6425c5e43ecc6b9eaf9cd12b48db0c5e500ae39df43d4520684eae6fc7bca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04693",
    "kind": "arxiv",
    "version": 2
  }
}