Pith Number

pith:7QHMSEYZ

pith:2022:7QHMSEYZPDHZXNKH7DTCIFB2ND

not attested not anchored not stored refs pending

The Molecular Composition of Shadowed Protosolar Disk Midplanes beyond the Water Snowline

Catherine Walsh, Christian Eistrup, Hideko Nomura, Kazumasa Ohno, Shota Notsu, Takahiro Ueda

arxiv:2208.06005 v1 · 2022-08-11 · 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{7QHMSEYZPDHZXNKH7DTCIFB2ND}

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	2026-07-05T04:59:30.183032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0ec9131978cf9bb547f8e624143a68ef480f3e0b47327e6de05b4f7fac7d65

Aliases

arxiv: 2208.06005 · arxiv_version: 2208.06005v1 · doi: 10.48550/arxiv.2208.06005 · pith_short_12: 7QHMSEYZPDHZ · pith_short_16: 7QHMSEYZPDHZXNKH · pith_short_8: 7QHMSEYZ

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/7QHMSEYZPDHZXNKH7DTCIFB2ND \
  | 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: fc0ec9131978cf9bb547f8e624143a68ef480f3e0b47327e6de05b4f7fac7d65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa8f626412acb77de55a2de406b1d0d824dc337e320cec9fc82544ac8e7c6be6",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-08-11T18:37:02Z",
    "title_canon_sha256": "cd15754a51c1e24fbb976cb78ef95ae897decaf6a92b9bfc5fb72d15a0a98668"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.06005",
    "kind": "arxiv",
    "version": 1
  }
}