Pith Number

pith:DWHB72V2

pith:2026:DWHB72V2XHHJGNJHAFWKTIB3MR

not attested not anchored not stored refs pending

The Curious Case of PHL 1811: Heavy Obscuration Versus Intrinsic X-ray Weakness

B. Luo, Jian Huang, Qingling Ni, W. N. Brandt, Xiaolei Chen

arxiv:2606.09981 v1 · 2026-06-08 · astro-ph.HE · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWHB72V2XHHJGNJHAFWKTIB3MR}

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	2026-06-10T00:08:36.695822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d8e1feabab9ce933527016ca9a03b64522f36f06845a79a00f7ce17a4887ec9

Aliases

arxiv: 2606.09981 · arxiv_version: 2606.09981v1 · doi: 10.48550/arxiv.2606.09981 · pith_short_12: DWHB72V2XHHJ · pith_short_16: DWHB72V2XHHJGNJH · pith_short_8: DWHB72V2

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/DWHB72V2XHHJGNJHAFWKTIB3MR \
  | 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: 1d8e1feabab9ce933527016ca9a03b64522f36f06845a79a00f7ce17a4887ec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec2e3a252f19590054738472e14a226e18cd192e0a88609b2ef3b6f7b620d1fc",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-08T18:00:01Z",
    "title_canon_sha256": "d35b022c5ecf33f454e9e1f14dd1f47a744a11140b19422b2ce3d25f4d929f13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09981",
    "kind": "arxiv",
    "version": 1
  }
}