Pith Number

pith:G7E67VSA

pith:2016:G7E67VSAQBDDAFBISJIRVYKN7P

not attested not anchored not stored refs pending

No Evidence for [O III] Variability in Mrk 142

A. J. Barth, M. C. Bentz

arxiv:1602.08641 v1 · 2016-02-27 · 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{G7E67VSAQBDDAFBISJIRVYKN7P}

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	2026-05-18T01:19:24.029991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37c9efd640804630142892511ae14dfbf0ae64aab0ff579531818b43b5b7ddce

Aliases

arxiv: 1602.08641 · arxiv_version: 1602.08641v1 · doi: 10.48550/arxiv.1602.08641 · pith_short_12: G7E67VSAQBDD · pith_short_16: G7E67VSAQBDDAFBI · pith_short_8: G7E67VSA

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/G7E67VSAQBDDAFBISJIRVYKN7P \
  | 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: 37c9efd640804630142892511ae14dfbf0ae64aab0ff579531818b43b5b7ddce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02bf61265fad883a0c53d3d576f27f5eb1939387bad60f202914b142fd72f297",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-27T20:55:05Z",
    "title_canon_sha256": "2a923425f449d90398ca51d8e33f2240481bda6ca7ab006d5d7c35ea28504bc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08641",
    "kind": "arxiv",
    "version": 1
  }
}