Pith Number

pith:W7XF2GD3

pith:2011:W7XF2GD3FSUXHCVZU4JAYLUO26

not attested not anchored not stored refs pending

The long-lasting activity of 3C 454.3. GASP-WEBT and satellite observations in 2008-2010

A. L\"ahteenm\"aki, C. M. Raiteri, M. A. Gurwell, M. F. Aller, M. Villata, O. M. Kurtanidze, P. Romano, S. Vercellone (for the GASP-WEBT Collaboration), V. M. Larionov

arxiv:1107.1093 v1 · 2011-07-06 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7XF2GD3FSUXHCVZU4JAYLUO26}

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	2026-07-04T23:55:24.450518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7ee5d187b2ca9738ab9a7120c2e8ed787732cb3496e880a604ca4692f2fc839

Aliases

arxiv: 1107.1093 · arxiv_version: 1107.1093v1 · doi: 10.48550/arxiv.1107.1093 · pith_short_12: W7XF2GD3FSUX · pith_short_16: W7XF2GD3FSUXHCVZ · pith_short_8: W7XF2GD3

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/W7XF2GD3FSUXHCVZU4JAYLUO26 \
  | 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: b7ee5d187b2ca9738ab9a7120c2e8ed787732cb3496e880a604ca4692f2fc839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9b99a4adc951c00872daef9293d78a740ef2f0a81f500816e27989a11d593a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-06T11:01:06Z",
    "title_canon_sha256": "7281d153b2bbd68c531cb227506a8908c9e367314f89a16547dd34ed4490793c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1093",
    "kind": "arxiv",
    "version": 1
  }
}