Pith Number

pith:D2UOOX2D

pith:2011:D2UOOX2DPVKA6Y65CKIAMYGKC7

not attested not anchored not stored refs pending

On the phenomenological classification of continuum radio spectra variability patterns of Fermi blazars

A. Sievers, C. M. Fromm, D. Riquelme, E. Angelakis, H. Ungerechts, I. Nestoras, J. A. Zensus, L. Fuhrmann, M. Perucho-Pla, N. Marchili, R. Schmidt, T. P. Krichbaum

arxiv:1111.6992 v1 · 2011-11-29 · 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{D2UOOX2DPVKA6Y65CKIAMYGKC7}

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	2026-05-18T04:07:19.082945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ea8e75f437d540f63dd12900660ca17f645520fc891ee75f1c6ee507ea61f31

Aliases

arxiv: 1111.6992 · arxiv_version: 1111.6992v1 · doi: 10.48550/arxiv.1111.6992 · pith_short_12: D2UOOX2DPVKA · pith_short_16: D2UOOX2DPVKA6Y65 · pith_short_8: D2UOOX2D

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/D2UOOX2DPVKA6Y65CKIAMYGKC7 \
  | 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: 1ea8e75f437d540f63dd12900660ca17f645520fc891ee75f1c6ee507ea61f31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "724281a948e16cd87ed26fe477b35f463ef5c43718df05240b9e1ec2d81eeffe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-11-29T21:29:08Z",
    "title_canon_sha256": "5bae82e9bd557bfda11a651f99918281df8c7ec586e8187558308e281c5d4ce2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6992",
    "kind": "arxiv",
    "version": 1
  }
}