Pith Number

pith:M73DOH6N

pith:2012:M73DOH6NB22SRSTQ7POZURGAR3

not attested not anchored not stored refs pending

Decoupling absorption and continuum variability in the Seyfert 2 NGC 4507

A. Ptak, G. Risaliti, J. N. Reeves, L. Ballo, T. J. Turner, V. Braito

arxiv:1210.5949 v1 · 2012-10-22 · 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{M73DOH6NB22SRSTQ7POZURGAR3}

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	2026-05-18T01:53:44.898159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67f6371fcd0eb528ca70fbdd9a44c08ecb7c6f01bff9d60ee8632c42f53d4a8d

Aliases

arxiv: 1210.5949 · arxiv_version: 1210.5949v1 · doi: 10.48550/arxiv.1210.5949 · pith_short_12: M73DOH6NB22S · pith_short_16: M73DOH6NB22SRSTQ · pith_short_8: M73DOH6N

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/M73DOH6NB22SRSTQ7POZURGAR3 \
  | 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: 67f6371fcd0eb528ca70fbdd9a44c08ecb7c6f01bff9d60ee8632c42f53d4a8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "149c4839e04a083cca0bdbf8c1f258e2f5f27cdfb9488bd7618ba6e2e0af1e6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-22T16:16:53Z",
    "title_canon_sha256": "4a96c1b0d95f99173a6c641a041248e920c4742d350634e78423f834bf640b11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5949",
    "kind": "arxiv",
    "version": 1
  }
}