Pith Number

pith:Y2YD4LVX

pith:2023:Y2YD4LVXCLLS72JMED4Y52TL63

not attested not anchored not stored refs pending

A JWST inventory of protoplanetary disk ices: The edge-on protoplanetary disk HH 48 NE, seen with the Ice Age ERS program

A. C. A. Boogert, B. A. McGuire, C. J. Law, D. C. Lis, D. Harsono, D. Qasim, E. Dartois, E. F. van Dishoeck, G. J. Melnick, G. Perotti, H. Linnartz, H. Terada, J. A. Noble, J. A. Sturm, J. B. Bergner, J. E. Chiar, K. I. \"Oberg, K. M. Pontoppidan, M. A. Cordiner, M. E. Palumbo, M. K. McClure, M. N. Drozdovskaya, R. G. Urso, S. Ioppolo, T. L. Beck, W. R. M. Rocha, Y. J. Pendleton

arxiv:2309.07817 v1 · 2023-09-14 · astro-ph.EP · 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{Y2YD4LVXCLLS72JMED4Y52TL63}

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	2026-07-05T06:50:48.497757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6b03e2eb712d72fe92c20f98eea6bf6ffdbd28380238819db4150fa175b56ba

Aliases

arxiv: 2309.07817 · arxiv_version: 2309.07817v1 · doi: 10.48550/arxiv.2309.07817 · pith_short_12: Y2YD4LVXCLLS · pith_short_16: Y2YD4LVXCLLS72JM · pith_short_8: Y2YD4LVX

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/Y2YD4LVXCLLS72JMED4Y52TL63 \
  | 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: c6b03e2eb712d72fe92c20f98eea6bf6ffdbd28380238819db4150fa175b56ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e89cf1b01c96050556d1bfebc00f8038f31626a278c1b916e49b1ed168e9f8d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-09-14T16:13:43Z",
    "title_canon_sha256": "7953f354d398381c83aef69f9164c499a5a021bdbf2abf54317f8214ffea9caf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.07817",
    "kind": "arxiv",
    "version": 1
  }
}