Pith Number

pith:X5HOAFVC

pith:2018:X5HOAFVCSVBKDWGMAR7WEO3N4C

not attested not anchored not stored refs pending

Science with an ngVLA: Deuteration in starless and prestellar cores

Maria T. Beltr\'an, Paola Caselli, Rachel K. Friesen, Robin T. Garrod

arxiv:1810.07163 v1 · 2018-10-16 · astro-ph.IM · 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{X5HOAFVCSVBKDWGMAR7WEO3N4C}

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	2026-05-18T00:03:10.229781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf4ee016a29542a1d8cc047f623b6de0b1e7252950c87fe512ecf57fd612ab7c

Aliases

arxiv: 1810.07163 · arxiv_version: 1810.07163v1 · doi: 10.48550/arxiv.1810.07163 · pith_short_12: X5HOAFVCSVBK · pith_short_16: X5HOAFVCSVBKDWGM · pith_short_8: X5HOAFVC

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/X5HOAFVCSVBKDWGMAR7WEO3N4C \
  | 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: bf4ee016a29542a1d8cc047f623b6de0b1e7252950c87fe512ecf57fd612ab7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94a52382585dd704205dcc86ec6bf064a455b6aa8c91b193cc1a1e0d3a3b5297",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-10-16T17:43:44Z",
    "title_canon_sha256": "f7a6579b1df05b77a1914ac7e857c7c28ce82519b176b2ce43dd84143ad94942"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07163",
    "kind": "arxiv",
    "version": 1
  }
}