Pith Number

pith:EK2EXWRQ

pith:2020:EK2EXWRQZO4GIXALW2ZRLKH4MX

not attested not anchored not stored refs pending

The first ALMA survey of protoplanetary discs at 3 mm: demographics of grain growth in the Lupus region

Anna Miotello, Antonella Natta, Carlo F. Manara, Greta Guidi, Jonathan M. Carpenter, Jonathan P. Williams, Leonardo Testi, Marco Tazzari, Megan Ansdell, Michiel Hogherheijde, Nienke van der Marel, Stefano Facchini

arxiv:2010.02248 v3 · 2020-10-05 · astro-ph.EP · 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{EK2EXWRQZO4GIXALW2ZRLKH4MX}

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	2026-07-05T02:57:09.467953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22b44bda30cbb8645c0bb6b315a8fc65c218cbea2bf5e7cc3ff08635995766f8

Aliases

arxiv: 2010.02248 · arxiv_version: 2010.02248v3 · doi: 10.48550/arxiv.2010.02248 · pith_short_12: EK2EXWRQZO4G · pith_short_16: EK2EXWRQZO4GIXAL · pith_short_8: EK2EXWRQ

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/EK2EXWRQZO4GIXALW2ZRLKH4MX \
  | 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: 22b44bda30cbb8645c0bb6b315a8fc65c218cbea2bf5e7cc3ff08635995766f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40d1b6d7621296e8f28303080225e9e8089291cc156452bd17a4b225d7c3ad13",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-10-05T18:03:23Z",
    "title_canon_sha256": "fca9acbf6fadeb2cfde621b396d5b7a11cb001b087baacb19b3339812cb74476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.02248",
    "kind": "arxiv",
    "version": 3
  }
}