pith. sign in
Pith Number

pith:Y2DENQOR

pith:2011:Y2DENQORLDPDB7K55U5LACQ2CS
not attested not anchored not stored refs pending

Extreme Warm Absorber variability in the Seyfert Galaxy Mrk 704

Anna Lia Longinotti, Enrico Piconcelli, Gabriele Ponti, Giorgio Matt, Giovanni Miniutti, Giuseppe Malaguti, Matteo Guainazzi, Mauro Dadina, Pierre Olivier Petrucci, Stefano Bianchi, Vladimir Karas

arxiv:1107.1085 v1 · 2011-07-06 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Y2DENQORLDPDB7K55U5LACQ2CS}

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 2026-05-18T02:01:22.547151Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c68646c1d158de30fd5ded3ab00a1a14be59b14e0eec74d3eed140051f2e7d36

Aliases

arxiv: 1107.1085 · arxiv_version: 1107.1085v1 · doi: 10.48550/arxiv.1107.1085 · pith_short_12: Y2DENQORLDPD · pith_short_16: Y2DENQORLDPDB7K5 · pith_short_8: Y2DENQOR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y2DENQORLDPDB7K55U5LACQ2CS \
  | 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: c68646c1d158de30fd5ded3ab00a1a14be59b14e0eec74d3eed140051f2e7d36
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0f38e319c7e8b910d520cebbcd7a20d3c1ae2b19646435178bcc64f63188bc24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-06T10:43:03Z",
    "title_canon_sha256": "9287c1f1fef6c880e2a1f721a025678bec09d100a6733514fce36e7928b83d02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1085",
    "kind": "arxiv",
    "version": 1
  }
}