Pith Number

pith:NPTG2MWR

pith:2023:NPTG2MWRU4I5PUFAPH2A6SH7VX

not attested not anchored not stored refs pending

Physical and chemical complexity in high-mass star-forming regions with ALMA. I. Overview and evolutionary trends of physical properties

Aida Ahmadi, Caroline Gieser, Dmitry Semenov, Henrik Beuther, Molly R. A. Wells, Thomas Henning

arxiv:2304.07237 v2 · 2023-04-14 · 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{NPTG2MWRU4I5PUFAPH2A6SH7VX}

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	2026-07-05T06:22:46.776183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6be66d32d1a711d7d0a079f40f48ffadee59058b2fe5b837886c4d8b07680029

Aliases

arxiv: 2304.07237 · arxiv_version: 2304.07237v2 · doi: 10.48550/arxiv.2304.07237 · pith_short_12: NPTG2MWRU4I5 · pith_short_16: NPTG2MWRU4I5PUFA · pith_short_8: NPTG2MWR

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/NPTG2MWRU4I5PUFAPH2A6SH7VX \
  | 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: 6be66d32d1a711d7d0a079f40f48ffadee59058b2fe5b837886c4d8b07680029

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9a39cf2d941a2e710de3e34dec43be074a75505ea53253cc1b57d1347b11e1b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-04-14T16:36:26Z",
    "title_canon_sha256": "96f666a0f19f388c47f2f9a2cc23d7b38a780e78f57beb53cf36ed8e541f8f11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.07237",
    "kind": "arxiv",
    "version": 2
  }
}