Pith Number

pith:7CMPWJ6K

pith:2015:7CMPWJ6K2KKFEPCWWM22VVBCKH

not attested not anchored not stored refs pending

Reflection nebulae in the Galactic Center: the case for soft X-ray imaging polarimetry

D. Kunneriath, F. Marin, F. Muleri, P. Soffitta, V. Karas

arxiv:1502.04894 v1 · 2015-02-17 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7CMPWJ6K2KKFEPCWWM22VVBCKH}

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	2026-05-18T02:22:28.594595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f898fb27cad294523c56b335aad42251ff15891a4c6da5506e1e0a55dface8dd

Aliases

arxiv: 1502.04894 · arxiv_version: 1502.04894v1 · doi: 10.48550/arxiv.1502.04894 · pith_short_12: 7CMPWJ6K2KKF · pith_short_16: 7CMPWJ6K2KKFEPCW · pith_short_8: 7CMPWJ6K

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/7CMPWJ6K2KKFEPCWWM22VVBCKH \
  | 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: f898fb27cad294523c56b335aad42251ff15891a4c6da5506e1e0a55dface8dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b190cb2d5a05e789f0485ab54df49b19eea2fbc9f32aa127cd7ba0ab700cee6d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-17T13:54:48Z",
    "title_canon_sha256": "fbd3b92251b58e036f3f0c3127b6faef163c563f3565c60f5c6a4c6e0546648d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04894",
    "kind": "arxiv",
    "version": 1
  }
}