Pith Number

pith:UM7MRI5N

pith:2026:UM7MRI5NKAP6U7SRUHCOFBFZ2G

not attested not anchored not stored refs pending

High-resolution spectroscopy of the bipolar proto-planetary nebula Hen 3-1475, the Garden Sprinkler Nebula

Ana Valeria Beltr\'an-S\'anchez, Miriam Pe\~na, Mudumba Parthasarathy

arxiv:2607.23061 v1 · 2026-07-25 · 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{UM7MRI5NKAP6U7SRUHCOFBFZ2G}

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	2026-07-28T00:22:10.315367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a33ec8a3ad501fea7e51a1c4e284b9d19f0165660fc53c1b5b11c55f6d2d3710

Aliases

arxiv: 2607.23061 · arxiv_version: 2607.23061v1 · doi: 10.48550/arxiv.2607.23061 · pith_short_12: UM7MRI5NKAP6 · pith_short_16: UM7MRI5NKAP6U7SR · pith_short_8: UM7MRI5N

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/UM7MRI5NKAP6U7SRUHCOFBFZ2G \
  | 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: a33ec8a3ad501fea7e51a1c4e284b9d19f0165660fc53c1b5b11c55f6d2d3710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4b446561795627c6c7964dd3f70b9bdecb130337fb38d977648e5c6c261636a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-07-25T06:08:16Z",
    "title_canon_sha256": "31eaec4c0dce207f936fdf3cbefeb9253c3332ff35a7b2fb7409f41f8e876791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23061",
    "kind": "arxiv",
    "version": 1
  }
}