Pith Number

pith:PCMVDXD7

pith:2012:PCMVDXD7KR6D632YQBSPNDYBB5

not attested not anchored not stored refs pending

Optimization of the Design of the Hard X-ray Polarimeter X-Calibur

Alfred Garson, David Fleming, Fabian Kislat, Henric Krawczynski, Matthias Beilicke, Qingzhen Guo

arxiv:1212.4509 v1 · 2012-12-18 · 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{PCMVDXD7KR6D632YQBSPNDYBB5}

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	2026-05-18T03:38:12.154666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

789951dc7f547c3f6f588064f68f010f459a5112e457481f3ebdb70c1642aef5

Aliases

arxiv: 1212.4509 · arxiv_version: 1212.4509v1 · doi: 10.48550/arxiv.1212.4509 · pith_short_12: PCMVDXD7KR6D · pith_short_16: PCMVDXD7KR6D632Y · pith_short_8: PCMVDXD7

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/PCMVDXD7KR6D632YQBSPNDYBB5 \
  | 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: 789951dc7f547c3f6f588064f68f010f459a5112e457481f3ebdb70c1642aef5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ed9525a021d97e0da8abe45352de68863a8adf846ac1bf6aa1d6948a47ebafd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-12-18T21:22:35Z",
    "title_canon_sha256": "2cdb90c188878f9094c8e328298396f0313ce16e3f601ce08a6c3d2545a149c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4509",
    "kind": "arxiv",
    "version": 1
  }
}