Pith Number

pith:VYKAMT4I

pith:2012:VYKAMT4IS55INV4ORBR3OATD47

not attested not anchored not stored refs pending

Multiwavelength campaign on Mrk 509 XII. Broad band spectral analysis

B. De Marco, E. Costantini, G. A. Kriss, G. Branduardi-Raymont, G. Ponti, J. Malzac, J. S. Kaastra, K.C. Steenbrugge, M. Cappi, M. Dadina, M. Mehdipour, P. Lubinski, P.-O. Petrucci, S. Bianchi, S. Paltani

arxiv:1209.6438 v2 · 2012-09-28 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VYKAMT4IS55INV4ORBR3OATD47}

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	2026-05-18T01:54:12.989071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae14064f88977a86d78e8863b70263e7eae763f599aaaff25afc54eddbf17d12

Aliases

arxiv: 1209.6438 · arxiv_version: 1209.6438v2 · doi: 10.48550/arxiv.1209.6438 · pith_short_12: VYKAMT4IS55I · pith_short_16: VYKAMT4IS55INV4O · pith_short_8: VYKAMT4I

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/VYKAMT4IS55INV4ORBR3OATD47 \
  | 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: ae14064f88977a86d78e8863b70263e7eae763f599aaaff25afc54eddbf17d12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c0e5665a4734cb186ee80030605d1ff429183abf0c648c21f2b8397585c67ca",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-09-28T07:39:44Z",
    "title_canon_sha256": "f89dba2784c0cea898550db249d3707e94118bd1d4f63f9619667afbcd4262fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6438",
    "kind": "arxiv",
    "version": 2
  }
}