Pith Number

pith:6O6INXLD

pith:2019:6O6INXLDBJ4JE7Z2WY6N5LSG24

not attested not anchored not stored refs pending

A timeline for massive star-forming regions via combined observation of o-H$_2$D$^+$ and N$_2$D$^+$

A. Giannetti, B. Koertgen, D. R. G. Schleicher, F. Wyrowski, K. M. Menten, P. Caselli, S. Bovino, S. Leurini, T. Pillai

arxiv:1901.01786 v1 · 2019-01-07 · 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{6O6INXLDBJ4JE7Z2WY6N5LSG24}

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	2026-05-17T23:56:16.242339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3bc86dd630a78927f3ab63cdeae46d738dd329eadb9507d8b4892875429919e

Aliases

arxiv: 1901.01786 · arxiv_version: 1901.01786v1 · doi: 10.48550/arxiv.1901.01786 · pith_short_12: 6O6INXLDBJ4J · pith_short_16: 6O6INXLDBJ4JE7Z2 · pith_short_8: 6O6INXLD

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/6O6INXLDBJ4JE7Z2WY6N5LSG24 \
  | 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: f3bc86dd630a78927f3ab63cdeae46d738dd329eadb9507d8b4892875429919e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dd5ef6ab843ba541c6696b5856da242245e9b8a621219886fa0cff1dec81a26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-07T13:00:42Z",
    "title_canon_sha256": "b6e8d7ffcb75f2d5937723666ad4979783274dd4b683035a4f9703f5f408e6ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01786",
    "kind": "arxiv",
    "version": 1
  }
}