Pith Number

pith:4S6M5B4S

pith:2014:4S6M5B4SNU35I5NILQLN4RNOII

not attested not anchored not stored refs pending

Seyfert 2 galaxies with unusually wide nebular lines

Hartmut Winkler, Trevor Chauke

arxiv:1412.4498 v1 · 2014-12-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4S6M5B4SNU35I5NILQLN4RNOII}

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	2026-05-18T02:31:19.032832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4bcce87926d37d475a85c16de45ae422bd750da76af4d637f90f84ad2d2b28c

Aliases

arxiv: 1412.4498 · arxiv_version: 1412.4498v1 · doi: 10.48550/arxiv.1412.4498 · pith_short_12: 4S6M5B4SNU35 · pith_short_16: 4S6M5B4SNU35I5NI · pith_short_8: 4S6M5B4S

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/4S6M5B4SNU35I5NILQLN4RNOII \
  | 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: e4bcce87926d37d475a85c16de45ae422bd750da76af4d637f90f84ad2d2b28c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d28f9c4ecb707ef89cd4e604cdc85af6543ce26f408d4e1d41286caf0117b7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-12-15T08:48:08Z",
    "title_canon_sha256": "d92e8156ae19cc6bc2044069457643f644246b80c0667b9d9f95715e5a82d039"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4498",
    "kind": "arxiv",
    "version": 1
  }
}