Pith Number

pith:INKN7Y6Z

pith:2022:INKN7Y6ZNZ7XRYDPBBCVPX5N3K

not attested not anchored not stored refs pending

The protoplanetary disk population in the rho-Ophiuchi region L1688 and the time evolution of Class II YSOs

A. Natta, A. Santamaria Miranda, A. Scholz, C.F. Manara, C. Lopez, E. Sanchis, G. Lodato, I. de Gregorio Monsalvo, I. Pascucci, J.P. Williams, K. Muzic, L. Testi, M. De Simone

arxiv:2201.04079 v2 · 2022-01-11 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INKN7Y6ZNZ7XRYDPBBCVPX5N3K}

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	2026-07-05T04:41:30.578865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4354dfe3d96e7f78e06f084557dfaddaa5ee57c6e20c619712475fb85d9fb3b2

Aliases

arxiv: 2201.04079 · arxiv_version: 2201.04079v2 · doi: 10.48550/arxiv.2201.04079 · pith_short_12: INKN7Y6ZNZ7X · pith_short_16: INKN7Y6ZNZ7XRYDP · pith_short_8: INKN7Y6Z

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/INKN7Y6ZNZ7XRYDPBBCVPX5N3K \
  | 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: 4354dfe3d96e7f78e06f084557dfaddaa5ee57c6e20c619712475fb85d9fb3b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a465f92371e4e50cb6b65439738966c84aef6bcaa201096819ed3f6165ce1c30",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-01-11T17:16:16Z",
    "title_canon_sha256": "2b952c1d6e785a7ff315455f057abf83ebc3cae10919b48b33685bc5868dc588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.04079",
    "kind": "arxiv",
    "version": 2
  }
}