Pith Number

pith:F5SER7MM

pith:2015:F5SER7MM7SOCVMBLC6DUBR3XJC

not attested not anchored not stored refs pending

Low redshift quasars in the SDSS Stripe 82. Host galaxy colors and close environment

(2) Finnish Centre for Astronomy with ESO (FINCA), (3) Tuorla Observatory, (4) INAF-IASF), Astronomy, D. Bettoni (1), Department of Physics, J.K.Kotilainen (2), K.Karhunen (3), M. Uslenghi (4) ((1) INAF-OAPadova, R. Falomo (1), University of Turku

arxiv:1509.07605 v1 · 2015-09-25 · 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{F5SER7MM7SOCVMBLC6DUBR3XJC}

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	2026-05-18T01:27:57.005374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f6448fd8cfc9c2ab02b178740c777489462e0290931d9de09f7a433fed5ce60

Aliases

arxiv: 1509.07605 · arxiv_version: 1509.07605v1 · doi: 10.48550/arxiv.1509.07605 · pith_short_12: F5SER7MM7SOC · pith_short_16: F5SER7MM7SOCVMBL · pith_short_8: F5SER7MM

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/F5SER7MM7SOCVMBLC6DUBR3XJC \
  | 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: 2f6448fd8cfc9c2ab02b178740c777489462e0290931d9de09f7a433fed5ce60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a5422a819537f4bd15c0cc06241efbe3ef18a07908ec63278dc7ca22d9a5896",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-25T07:22:33Z",
    "title_canon_sha256": "4c1eaedfd8ad458682048c50a5c7ce5d8420a26426edbce6f2be1bda1e373a42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07605",
    "kind": "arxiv",
    "version": 1
  }
}