Pith Number

pith:IYSC4UUB

pith:2009:IYSC4UUBU4C2JSJGL5YNBYOOT2

not attested not anchored not stored refs pending

High resolution X-ray spectroscopy of the Seyfert 1 Mrk841: insights into the warm absorber and warm emitter

A. C. Goncalves, A.L. Longinotti, C. Boisson, E. Costantini, G. Matt, G. Ponti, M. Mouchet, M. Santos-Lleo, P.O. Petrucci

arxiv:0911.3153 v2 · 2009-11-16 · astro-ph.HE

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

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	2026-05-18T02:10:47.054739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46242e5281a705a4c9265f70d0e1ce9ea083bc90d9ec3b91106ed73756c72754

Aliases

arxiv: 0911.3153 · arxiv_version: 0911.3153v2 · doi: 10.48550/arxiv.0911.3153 · pith_short_12: IYSC4UUBU4C2 · pith_short_16: IYSC4UUBU4C2JSJG · pith_short_8: IYSC4UUB

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/IYSC4UUBU4C2JSJGL5YNBYOOT2 \
  | 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: 46242e5281a705a4c9265f70d0e1ce9ea083bc90d9ec3b91106ed73756c72754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2b23a25931d242527c0e677da3e2bc2381e77263a75b1d19b5003b4a91b7d60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-16T21:01:28Z",
    "title_canon_sha256": "6a079198336ff2225e065a5c6e0509d105121d2eae87b5d701a02e3a9be35465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3153",
    "kind": "arxiv",
    "version": 2
  }
}