Pith Number

pith:EKPYCSYC

pith:2011:EKPYCSYCX7JCZ2YOALHCTYTJZT

not attested not anchored not stored refs pending

Multiwavelength campaign on Mrk 509. V. Chandra-LETGS observation of the ionized absorber

C. Pinto, E. Costantini, G. A. Kriss, G. Branduardi-Raymont, G. Ponti, J. Ebrero, J. S. Kaastra, K. C. Steenbrugge, M. Cappi, M. Mehdipour, N. Arav, P.-O. Petrucci, R. G. Detmers, S. Bianchi

arxiv:1107.0660 v1 · 2011-07-04 · astro-ph.CO · astro-ph.HE

Open paper page JSON 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

Receipt and verification

First computed	2026-05-18T02:01:25.066664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

229f814b02bfd22ceb0e02ce29e269ccc2c49b480bed635d6ca82d09abbe0953

Aliases

arxiv: 1107.0660 · arxiv_version: 1107.0660v1 · doi: 10.48550/arxiv.1107.0660 · pith_short_12: EKPYCSYCX7JC · pith_short_16: EKPYCSYCX7JCZ2YO · pith_short_8: EKPYCSYC

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/EKPYCSYCX7JCZ2YOALHCTYTJZT \
  | 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: 229f814b02bfd22ceb0e02ce29e269ccc2c49b480bed635d6ca82d09abbe0953

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd5023d030fac4b727682ca16dc9049df583a23ce272fe3c527e6a39cf263af8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-04T15:33:03Z",
    "title_canon_sha256": "4872cd7240949b7060a3c7c8c4ea008faab311b240df5e80a3bc13e35d52bb39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0660",
    "kind": "arxiv",
    "version": 1
  }
}