Pith Number

pith:NJVMRLKD

pith:2019:NJVMRLKDXSD2USNQV6WXZMJ7EV

not attested not anchored not stored refs pending

The chemical structure of young high-mass star-forming clumps: (I) Deuteration

H. Beuther, K. Wang, O. Sipil\"a, P. Caselli, S. Feng, Y. Lin

arxiv:1909.00209 v1 · 2019-08-31 · 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{NJVMRLKDXSD2USNQV6WXZMJ7EV}

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	2026-07-05T00:10:42.982570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6ac8ad43bc87aa49b0afad7cb13f254b0c6c7cfc01951bff854dbdfe5acc17

Aliases

arxiv: 1909.00209 · arxiv_version: 1909.00209v1 · doi: 10.48550/arxiv.1909.00209 · pith_short_12: NJVMRLKDXSD2 · pith_short_16: NJVMRLKDXSD2USNQ · pith_short_8: NJVMRLKD

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/NJVMRLKDXSD2USNQV6WXZMJ7EV \
  | 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: 6a6ac8ad43bc87aa49b0afad7cb13f254b0c6c7cfc01951bff854dbdfe5acc17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aad61e0f5f1fdea39bb0c6ab4119308f4a90bb4bd1f339a947ef3d68846160f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-31T12:56:05Z",
    "title_canon_sha256": "bb2543a411dbb7a31d4941505bb985755efb55cddd462d982ac0806c70733d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00209",
    "kind": "arxiv",
    "version": 1
  }
}