Pith Number

pith:SBRQVGEF

pith:2026:SBRQVGEFI75P45RGLZP35LTUTH

not attested not anchored not stored refs pending

Proof of Concept Measurements of Laterally Graded Multilayers for Soft X-ray Spectropolarimetry

Alan Garner, Eric Gulllikson, Herman L. Marshall, Nithya Kothnur, Sarah Heine

arxiv:2607.27664 v1 · 2026-07-30 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBRQVGEFI75P45RGLZP35LTUTH}

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	2026-07-31T01:29:40.762362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

90630a988547fafe76265e5fbeae7499e7d4337f93b3dc7151512ecac294e6e2

Aliases

arxiv: 2607.27664 · arxiv_version: 2607.27664v1 · doi: 10.48550/arxiv.2607.27664 · pith_short_12: SBRQVGEFI75P · pith_short_16: SBRQVGEFI75P45RG · pith_short_8: SBRQVGEF

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/SBRQVGEFI75P45RGLZP35LTUTH \
  | 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: 90630a988547fafe76265e5fbeae7499e7d4337f93b3dc7151512ecac294e6e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b8071d33237d8d1b14ced586a985eedfa97741c7c57eff7fa11de316c48ac25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-30T04:21:23Z",
    "title_canon_sha256": "229a7eb1d9e318262645bb3659d38c99bf7251812f2731031fbd5f39244ea3de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27664",
    "kind": "arxiv",
    "version": 1
  }
}