Pith Number

pith:NMHWWBQE

pith:2003:NMHWWBQEPZ4CCYSRA7FKMSXYXV

not attested not anchored not stored refs pending

High Resolution Optics & Detector Systems for Hard X-rays

B. D. Ramsey, C. Speegle, D. Engelhaupt, D. P. Sharma, J. A. Gaskin, J. Apple & M. H. Finger

arxiv:astro-ph/0310386 v1 · 2003-10-14 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMHWWBQEPZ4CCYSRA7FKMSXYXV}

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	2026-07-04T14:13:05.387250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b0f6b06047e7821625107caa64af8bd61817f472fd46140778e9c43f08aed96

Aliases

arxiv: astro-ph/0310386 · arxiv_version: astro-ph/0310386v1 · doi: 10.48550/arxiv.astro-ph/0310386 · pith_short_12: NMHWWBQEPZ4C · pith_short_16: NMHWWBQEPZ4CCYSR · pith_short_8: NMHWWBQE

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/NMHWWBQEPZ4CCYSRA7FKMSXYXV \
  | 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: 6b0f6b06047e7821625107caa64af8bd61817f472fd46140778e9c43f08aed96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0318e196694e16858e3cca0960479e8ee44f287ea7c38bf64a95e7417945f1dd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-14T21:15:36Z",
    "title_canon_sha256": "66a051da352b9a0b538cbc81854b1916e3ffc8dd14f3fb984f65cf6bbf9b9933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310386",
    "kind": "arxiv",
    "version": 1
  }
}