Pith Number

pith:SC6O6EGE

pith:2013:SC6O6EGEVHHCBT4DYSJ3E7DWXQ

not attested not anchored not stored refs pending

mm-VLBI observations of the active galaxy 3C 111 in outburst

Christoph Gro{\ss}berger, Cornelia M\"uller, Eduardo Ros, Hugh D. Aller, Iv\'an Agudo, Karl Mannheim, Margo F. Aller, Matthias Kadler, Robert Schulz, Thomas P. Krichbaum

arxiv:1301.6582 v2 · 2013-01-28 · 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{SC6O6EGEVHHCBT4DYSJ3E7DWXQ}

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	2026-05-18T03:04:15.506212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90bcef10c4a9ce20cf83c493b27c76bc20d65c9341c7e0bdfeca5d026c50d31f

Aliases

arxiv: 1301.6582 · arxiv_version: 1301.6582v2 · doi: 10.48550/arxiv.1301.6582 · pith_short_12: SC6O6EGEVHHC · pith_short_16: SC6O6EGEVHHCBT4D · pith_short_8: SC6O6EGE

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/SC6O6EGEVHHCBT4DYSJ3E7DWXQ \
  | 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: 90bcef10c4a9ce20cf83c493b27c76bc20d65c9341c7e0bdfeca5d026c50d31f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "345878a80228b3fafac44d26afa99892da9d5ec1011cf498013a4c932b3ffd84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-28T15:52:42Z",
    "title_canon_sha256": "0cb3abe8dff9d7e4e12e5d1eeee674294ec13fc8c97a7832a0eb716c2479110e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6582",
    "kind": "arxiv",
    "version": 2
  }
}