Pith Number

pith:DX6HI4KF

pith:2013:DX6HI4KFBIPEQE7KAV3UVTZNED

not attested not anchored not stored refs pending

A Soft X-ray Beam-splitting Multilayer Optic for the NASA GEMS Bragg Reflection Polarimeter

Eric M. Gullikson, Jennifer B. Alameda, Michael J. Pivovaroff, Monica Fernandez-Perea, Philip Kaaret, Regina Soufli, Ryan Allured

arxiv:1303.6549 v1 · 2013-03-26 · astro-ph.IM · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DX6HI4KFBIPEQE7KAV3UVTZNED}

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	2026-05-18T01:50:52.538310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dfc7471450a1e4813ea05774acf2d20fa1b8c2f209459d74e5fc2f94dba6abb

Aliases

arxiv: 1303.6549 · arxiv_version: 1303.6549v1 · doi: 10.48550/arxiv.1303.6549 · pith_short_12: DX6HI4KFBIPE · pith_short_16: DX6HI4KFBIPEQE7K · pith_short_8: DX6HI4KF

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/DX6HI4KFBIPEQE7KAV3UVTZNED \
  | 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: 1dfc7471450a1e4813ea05774acf2d20fa1b8c2f209459d74e5fc2f94dba6abb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cde53294fd2bec73b81c492965a1a4ba354745dfb467a8993bf526723dad474",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-03-26T16:34:05Z",
    "title_canon_sha256": "bcdf216a956beb7102e64e893b4f88dc1bbb9d77be8b277b857d29f2a04426e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6549",
    "kind": "arxiv",
    "version": 1
  }
}