Pith Number

pith:2Q4NR7AP

pith:2026:2Q4NR7APH6PQIN5MKOY3AOMBUL

not attested not anchored not stored refs pending

Mapping Interstellar Ice Inventory toward Class 0 Protostars in Star-forming Region Orion A with JWST Data

Andrej Sobolev, Anna Punanova, Anton Vasyunin, Igor Petrashkevich, Maksim Ozhiganov, Mikhail Medvedev, Ruslan Nakibov, Svetlana Salii, Varvara Karteyeva, Yaroslav Pavlyuchenkov

arxiv:2606.09776 v1 · 2026-06-08 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2Q4NR7APH6PQIN5MKOY3AOMBUL}

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	2026-06-09T02:09:09.176747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d438d8fc0f3f9f0437ac53b1b03981a2e019f6a7c163c980ec76b2e735aed1c6

Aliases

arxiv: 2606.09776 · arxiv_version: 2606.09776v1 · doi: 10.48550/arxiv.2606.09776 · pith_short_12: 2Q4NR7APH6PQ · pith_short_16: 2Q4NR7APH6PQIN5M · pith_short_8: 2Q4NR7AP

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/2Q4NR7APH6PQIN5MKOY3AOMBUL \
  | 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: d438d8fc0f3f9f0437ac53b1b03981a2e019f6a7c163c980ec76b2e735aed1c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b53b659b82d1e99bb617d68a671fd3a7bfdf52a652bf4619f9fa703b7bd42f5e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-08T17:35:43Z",
    "title_canon_sha256": "c8d8e6ba326b1870a77532ff9ac6eb62dd2f41b0277e7c7f7a98858f387ff960"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09776",
    "kind": "arxiv",
    "version": 1
  }
}