Pith Number

pith:FDJ2L63O

pith:2016:FDJ2L63O2RTDKJQVPWAIHHVHC4

not attested not anchored not stored refs pending

Are there reliable methods to estimate the nuclear orientation of Seyfert galaxies?

F. Marin

arxiv:1605.02904 v1 · 2016-05-10 · astro-ph.GA · 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{FDJ2L63O2RTDKJQVPWAIHHVHC4}

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	2026-05-18T01:10:30.177192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28d3a5fb6ed4663526157d80839ea7172061735187e3775c017db792e525488d

Aliases

arxiv: 1605.02904 · arxiv_version: 1605.02904v1 · doi: 10.48550/arxiv.1605.02904 · pith_short_12: FDJ2L63O2RTD · pith_short_16: FDJ2L63O2RTDKJQV · pith_short_8: FDJ2L63O

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/FDJ2L63O2RTDKJQVPWAIHHVHC4 \
  | 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: 28d3a5fb6ed4663526157d80839ea7172061735187e3775c017db792e525488d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54cdc976f1ba0c5221f99303bfce9916636319ccbbb8b01805394eab36240c34",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-10T09:38:18Z",
    "title_canon_sha256": "26d93e6b69d37f7ca7057a1126f0b9c81a51cec81ed847613a66512d493cd6a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02904",
    "kind": "arxiv",
    "version": 1
  }
}