Pith Number

pith:MU66NVM3

pith:2015:MU66NVM3YFDG5XGVYL52U7HAJ7

not attested not anchored not stored refs pending

The changing UV and X-ray properties of the Of?p star CPD -28 2561

Alex W. Fullerton (STScI), Asif ud-Doula (Penn State Worth. Scr.), Gregg A. Wade (RMC), Gregor Rauw (ULg), Jon O. Sundqvist (Univ. Munchen, Nolan R. Walborn (STScI), Univ. Delaware), Yael Naze (ULg)

arxiv:1506.08572 v2 · 2015-06-29 · astro-ph.SR · 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{MU66NVM3YFDG5XGVYL52U7HAJ7}

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	2026-05-18T01:34:05.096692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

653de6d59bc1466edcd5c2fbaa7ce04fcfc435843ece3585e2ad2fe71d83170c

Aliases

arxiv: 1506.08572 · arxiv_version: 1506.08572v2 · doi: 10.48550/arxiv.1506.08572 · pith_short_12: MU66NVM3YFDG · pith_short_16: MU66NVM3YFDG5XGV · pith_short_8: MU66NVM3

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/MU66NVM3YFDG5XGVYL52U7HAJ7 \
  | 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: 653de6d59bc1466edcd5c2fbaa7ce04fcfc435843ece3585e2ad2fe71d83170c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9abdc7577aa76daa56959aa6189f0dbdaa6785a94c0704c7b1314041f273e569",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-29T10:25:18Z",
    "title_canon_sha256": "f3ac7c0c0db2ae50d3de3888cd231367b6f17df002e8f89a5a1a507a0291c5a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08572",
    "kind": "arxiv",
    "version": 2
  }
}